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Finding the Fourth Proportional to 35,342.40, 48,747.12 and 22,755.12

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Solution

The fourth proportional to 35,342.40, 48,747.12 and 22,755.12 is: 31,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.40 : 48,747.12 = 22,755.12 : x
  2. Step 2: Convert to fraction form
    35,342.40/48,747.12 = 22,755.12/x
  3. Step 3: Cross multiply
    35,342.40x = 48,747.12 × 22,755.12
  4. Step 4: Simplify right side
    35,342.40x = 1,109,246,565.25
  5. Step 5: Solve for x
    x = 1,109,246,565.25/35,342.40
  6. Step 6: Final answer
    x = 31,385.72

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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.