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Finding the Fourth Proportional to 65,526.72, 98,166.72 and 38,793.60

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Solution

The fourth proportional to 65,526.72, 98,166.72 and 38,793.60 is: 58,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,526.72 : 98,166.72 = 38,793.60 : x
  2. Step 2: Convert to fraction form
    65,526.72/98,166.72 = 38,793.60/x
  3. Step 3: Cross multiply
    65,526.72x = 98,166.72 × 38,793.60
  4. Step 4: Simplify right side
    65,526.72x = 3,808,240,468.99
  5. Step 5: Solve for x
    x = 3,808,240,468.99/65,526.72
  6. Step 6: Final answer
    x = 58,117.37

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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.