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Finding the Fourth Proportional to 64,734.99, 97,071.17 and 38,432.67

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Solution

The fourth proportional to 64,734.99, 97,071.17 and 38,432.67 is: 57,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,734.99 : 97,071.17 = 38,432.67 : x
  2. Step 2: Convert to fraction form
    64,734.99/97,071.17 = 38,432.67/x
  3. Step 3: Cross multiply
    64,734.99x = 97,071.17 × 38,432.67
  4. Step 4: Simplify right side
    64,734.99x = 3,730,704,050.96
  5. Step 5: Solve for x
    x = 3,730,704,050.96/64,734.99
  6. Step 6: Final answer
    x = 57,630.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.