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Finding the Fourth Proportional to 64,407.85, 88,864.66 and 41,747.79

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Solution

The fourth proportional to 64,407.85, 88,864.66 and 41,747.79 is: 57,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,407.85 : 88,864.66 = 41,747.79 : x
  2. Step 2: Convert to fraction form
    64,407.85/88,864.66 = 41,747.79/x
  3. Step 3: Cross multiply
    64,407.85x = 88,864.66 × 41,747.79
  4. Step 4: Simplify right side
    64,407.85x = 3,709,903,164.10
  5. Step 5: Solve for x
    x = 3,709,903,164.10/64,407.85
  6. Step 6: Final answer
    x = 57,600.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.