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Finding the Fourth Proportional to 2,975.01, 4,462.38 and 1,243.50

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Solution

The fourth proportional to 2,975.01, 4,462.38 and 1,243.50 is: 1,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.01 : 4,462.38 = 1,243.50 : x
  2. Step 2: Convert to fraction form
    2,975.01/4,462.38 = 1,243.50/x
  3. Step 3: Cross multiply
    2,975.01x = 4,462.38 × 1,243.50
  4. Step 4: Simplify right side
    2,975.01x = 5,548,969.53
  5. Step 5: Solve for x
    x = 5,548,969.53/2,975.01
  6. Step 6: Final answer
    x = 1,865.19

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Double scale
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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.