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Finding the Fourth Proportional to 62,978.59, 94,466.31 and 25,528.65

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Solution

The fourth proportional to 62,978.59, 94,466.31 and 25,528.65 is: 38,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,978.59 : 94,466.31 = 25,528.65 : x
  2. Step 2: Convert to fraction form
    62,978.59/94,466.31 = 25,528.65/x
  3. Step 3: Cross multiply
    62,978.59x = 94,466.31 × 25,528.65
  4. Step 4: Simplify right side
    62,978.59x = 2,411,597,364.78
  5. Step 5: Solve for x
    x = 2,411,597,364.78/62,978.59
  6. Step 6: Final answer
    x = 38,292.34

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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.