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Finding the Fourth Proportional to 62,980.59, 94,469.31 and 25,530.65

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Solution

The fourth proportional to 62,980.59, 94,469.31 and 25,530.65 is: 38,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,980.59 : 94,469.31 = 25,530.65 : x
  2. Step 2: Convert to fraction form
    62,980.59/94,469.31 = 25,530.65/x
  3. Step 3: Cross multiply
    62,980.59x = 94,469.31 × 25,530.65
  4. Step 4: Simplify right side
    62,980.59x = 2,411,862,417.00
  5. Step 5: Solve for x
    x = 2,411,862,417.00/62,980.59
  6. Step 6: Final answer
    x = 38,295.33

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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.