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Finding the Fourth Proportional to 61,521.76, 92,295.51 and 25,983.19

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Solution

The fourth proportional to 61,521.76, 92,295.51 and 25,983.19 is: 38,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,521.76 : 92,295.51 = 25,983.19 : x
  2. Step 2: Convert to fraction form
    61,521.76/92,295.51 = 25,983.19/x
  3. Step 3: Cross multiply
    61,521.76x = 92,295.51 × 25,983.19
  4. Step 4: Simplify right side
    61,521.76x = 2,398,131,772.48
  5. Step 5: Solve for x
    x = 2,398,131,772.48/61,521.76
  6. Step 6: Final answer
    x = 38,980.22

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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.