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Finding the Fourth Proportional to 64,507.82, 96,761.72 and 36,454.07

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Solution

The fourth proportional to 64,507.82, 96,761.72 and 36,454.07 is: 54,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,507.82 : 96,761.72 = 36,454.07 : x
  2. Step 2: Convert to fraction form
    64,507.82/96,761.72 = 36,454.07/x
  3. Step 3: Cross multiply
    64,507.82x = 96,761.72 × 36,454.07
  4. Step 4: Simplify right side
    64,507.82x = 3,527,358,847.24
  5. Step 5: Solve for x
    x = 3,527,358,847.24/64,507.82
  6. Step 6: Final answer
    x = 54,681.11

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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.