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Finding the Fourth Proportional to 4,172.99, 6,259.47 and 1,053.01

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Solution

The fourth proportional to 4,172.99, 6,259.47 and 1,053.01 is: 1,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.99 : 6,259.47 = 1,053.01 : x
  2. Step 2: Convert to fraction form
    4,172.99/6,259.47 = 1,053.01/x
  3. Step 3: Cross multiply
    4,172.99x = 6,259.47 × 1,053.01
  4. Step 4: Simplify right side
    4,172.99x = 6,591,253.21
  5. Step 5: Solve for x
    x = 6,591,253.21/4,172.99
  6. Step 6: Final answer
    x = 1,579.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,173.99, 6,260.97 and 1,054.01
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.