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Finding the Fourth Proportional to 52,355.97, 72,218.84 and 45,657.68

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Solution

The fourth proportional to 52,355.97, 72,218.84 and 45,657.68 is: 62,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,355.97 : 72,218.84 = 45,657.68 : x
  2. Step 2: Convert to fraction form
    52,355.97/72,218.84 = 45,657.68/x
  3. Step 3: Cross multiply
    52,355.97x = 72,218.84 × 45,657.68
  4. Step 4: Simplify right side
    52,355.97x = 3,297,344,354.13
  5. Step 5: Solve for x
    x = 3,297,344,354.13/52,355.97
  6. Step 6: Final answer
    x = 62,979.34

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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.