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Finding the Fourth Proportional to 70,733.76, 97,614.72 and 38,904.72

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Solution

The fourth proportional to 70,733.76, 97,614.72 and 38,904.72 is: 53,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,733.76 : 97,614.72 = 38,904.72 : x
  2. Step 2: Convert to fraction form
    70,733.76/97,614.72 = 38,904.72/x
  3. Step 3: Cross multiply
    70,733.76x = 97,614.72 × 38,904.72
  4. Step 4: Simplify right side
    70,733.76x = 3,797,673,349.48
  5. Step 5: Solve for x
    x = 3,797,673,349.48/70,733.76
  6. Step 6: Final answer
    x = 53,689.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.