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Finding the Fourth Proportional to 70,732.32, 97,536.48 and 52,798.56

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Solution

The fourth proportional to 70,732.32, 97,536.48 and 52,798.56 is: 72,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,732.32 : 97,536.48 = 52,798.56 : x
  2. Step 2: Convert to fraction form
    70,732.32/97,536.48 = 52,798.56/x
  3. Step 3: Cross multiply
    70,732.32x = 97,536.48 × 52,798.56
  4. Step 4: Simplify right side
    70,732.32x = 5,149,785,691.47
  5. Step 5: Solve for x
    x = 5,149,785,691.47/70,732.32
  6. Step 6: Final answer
    x = 72,806.68

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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.