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Finding the Fourth Proportional to 2,618.01, 3,927.02 and 886.50

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Solution

The fourth proportional to 2,618.01, 3,927.02 and 886.50 is: 1,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.01 : 3,927.02 = 886.50 : x
  2. Step 2: Convert to fraction form
    2,618.01/3,927.02 = 886.50/x
  3. Step 3: Cross multiply
    2,618.01x = 3,927.02 × 886.50
  4. Step 4: Simplify right side
    2,618.01x = 3,481,298.80
  5. Step 5: Solve for x
    x = 3,481,298.80/2,618.01
  6. Step 6: Final answer
    x = 1,329.75

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,619.01, 3,928.52 and 887.50
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.