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Finding the Fourth Proportional to 64,760.31, 97,154.28 and 36,693.81

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Solution

The fourth proportional to 64,760.31, 97,154.28 and 36,693.81 is: 55,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,760.31 : 97,154.28 = 36,693.81 : x
  2. Step 2: Convert to fraction form
    64,760.31/97,154.28 = 36,693.81/x
  3. Step 3: Cross multiply
    64,760.31x = 97,154.28 × 36,693.81
  4. Step 4: Simplify right side
    64,760.31x = 3,564,960,691.01
  5. Step 5: Solve for x
    x = 3,564,960,691.01/64,760.31
  6. Step 6: Final answer
    x = 55,048.54

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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.