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Finding the Fourth Proportional to 52,603.59, 72,593.10 and 31,382.40

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Solution

The fourth proportional to 52,603.59, 72,593.10 and 31,382.40 is: 43,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,603.59 : 72,593.10 = 31,382.40 : x
  2. Step 2: Convert to fraction form
    52,603.59/72,593.10 = 31,382.40/x
  3. Step 3: Cross multiply
    52,603.59x = 72,593.10 × 31,382.40
  4. Step 4: Simplify right side
    52,603.59x = 2,278,145,701.44
  5. Step 5: Solve for x
    x = 2,278,145,701.44/52,603.59
  6. Step 6: Final answer
    x = 43,307.80

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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.