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Finding the Fourth Proportional to 25,294.97, 37,935.95 and 7,521.02

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Solution

The fourth proportional to 25,294.97, 37,935.95 and 7,521.02 is: 11,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.97 : 37,935.95 = 7,521.02 : x
  2. Step 2: Convert to fraction form
    25,294.97/37,935.95 = 7,521.02/x
  3. Step 3: Cross multiply
    25,294.97x = 37,935.95 × 7,521.02
  4. Step 4: Simplify right side
    25,294.97x = 285,316,867.79
  5. Step 5: Solve for x
    x = 285,316,867.79/25,294.97
  6. Step 6: Final answer
    x = 11,279.59

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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.