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Finding the Fourth Proportional to 65,100.61, 97,665.95 and 20,727.29

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Solution

The fourth proportional to 65,100.61, 97,665.95 and 20,727.29 is: 31,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,100.61 : 97,665.95 = 20,727.29 : x
  2. Step 2: Convert to fraction form
    65,100.61/97,665.95 = 20,727.29/x
  3. Step 3: Cross multiply
    65,100.61x = 97,665.95 × 20,727.29
  4. Step 4: Simplify right side
    65,100.61x = 2,024,350,764.76
  5. Step 5: Solve for x
    x = 2,024,350,764.76/65,100.61
  6. Step 6: Final answer
    x = 31,095.73

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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.