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Finding the Fourth Proportional to 57,332.92, 79,118.40 and 31,839.34

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Solution

The fourth proportional to 57,332.92, 79,118.40 and 31,839.34 is: 43,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,332.92 : 79,118.40 = 31,839.34 : x
  2. Step 2: Convert to fraction form
    57,332.92/79,118.40 = 31,839.34/x
  3. Step 3: Cross multiply
    57,332.92x = 79,118.40 × 31,839.34
  4. Step 4: Simplify right side
    57,332.92x = 2,519,077,637.86
  5. Step 5: Solve for x
    x = 2,519,077,637.86/57,332.92
  6. Step 6: Final answer
    x = 43,937.72

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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.