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Finding the Fourth Proportional to 64,084.57, 96,127.08 and 19,711.02

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Solution

The fourth proportional to 64,084.57, 96,127.08 and 19,711.02 is: 29,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,084.57 : 96,127.08 = 19,711.02 : x
  2. Step 2: Convert to fraction form
    64,084.57/96,127.08 = 19,711.02/x
  3. Step 3: Cross multiply
    64,084.57x = 96,127.08 × 19,711.02
  4. Step 4: Simplify right side
    64,084.57x = 1,894,762,868.06
  5. Step 5: Solve for x
    x = 1,894,762,868.06/64,084.57
  6. Step 6: Final answer
    x = 29,566.60

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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.