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Finding the Fourth Proportional to 73,395.96, 101,287.02 and 39,862.20

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Solution

The fourth proportional to 73,395.96, 101,287.02 and 39,862.20 is: 55,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,395.96 : 101,287.02 = 39,862.20 : x
  2. Step 2: Convert to fraction form
    73,395.96/101,287.02 = 39,862.20/x
  3. Step 3: Cross multiply
    73,395.96x = 101,287.02 × 39,862.20
  4. Step 4: Simplify right side
    73,395.96x = 4,037,523,448.64
  5. Step 5: Solve for x
    x = 4,037,523,448.64/73,395.96
  6. Step 6: Final answer
    x = 55,010.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.