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Finding the Fourth Proportional to 64,580.55, 96,868.12 and 22,470.15

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Solution

The fourth proportional to 64,580.55, 96,868.12 and 22,470.15 is: 33,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,580.55 : 96,868.12 = 22,470.15 : x
  2. Step 2: Convert to fraction form
    64,580.55/96,868.12 = 22,470.15/x
  3. Step 3: Cross multiply
    64,580.55x = 96,868.12 × 22,470.15
  4. Step 4: Simplify right side
    64,580.55x = 2,176,641,186.62
  5. Step 5: Solve for x
    x = 2,176,641,186.62/64,580.55
  6. Step 6: Final answer
    x = 33,704.28

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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.