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Finding the Fourth Proportional to 62,600.26, 86,393.04 and 38,740.80

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Solution

The fourth proportional to 62,600.26, 86,393.04 and 38,740.80 is: 53,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,600.26 : 86,393.04 = 38,740.80 : x
  2. Step 2: Convert to fraction form
    62,600.26/86,393.04 = 38,740.80/x
  3. Step 3: Cross multiply
    62,600.26x = 86,393.04 × 38,740.80
  4. Step 4: Simplify right side
    62,600.26x = 3,346,935,484.03
  5. Step 5: Solve for x
    x = 3,346,935,484.03/62,600.26
  6. Step 6: Final answer
    x = 53,465.20

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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.