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Finding the Fourth Proportional to 63,004.65, 86,945.45 and 34,711.35

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Solution

The fourth proportional to 63,004.65, 86,945.45 and 34,711.35 is: 47,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,004.65 : 86,945.45 = 34,711.35 : x
  2. Step 2: Convert to fraction form
    63,004.65/86,945.45 = 34,711.35/x
  3. Step 3: Cross multiply
    63,004.65x = 86,945.45 × 34,711.35
  4. Step 4: Simplify right side
    63,004.65x = 3,017,993,772.30
  5. Step 5: Solve for x
    x = 3,017,993,772.30/63,004.65
  6. Step 6: Final answer
    x = 47,901.13

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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.