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Finding the Fourth Proportional to 62,165.60, 85,786.21 and 38,007.03

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Solution

The fourth proportional to 62,165.60, 85,786.21 and 38,007.03 is: 52,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,165.60 : 85,786.21 = 38,007.03 : x
  2. Step 2: Convert to fraction form
    62,165.60/85,786.21 = 38,007.03/x
  3. Step 3: Cross multiply
    62,165.60x = 85,786.21 × 38,007.03
  4. Step 4: Simplify right side
    62,165.60x = 3,260,479,057.06
  5. Step 5: Solve for x
    x = 3,260,479,057.06/62,165.60
  6. Step 6: Final answer
    x = 52,448.28

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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.