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Finding the Fourth Proportional to 24,787.90, 34,213.98 and 15,351.22

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Solution

The fourth proportional to 24,787.90, 34,213.98 and 15,351.22 is: 21,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,787.90 : 34,213.98 = 15,351.22 : x
  2. Step 2: Convert to fraction form
    24,787.90/34,213.98 = 15,351.22/x
  3. Step 3: Cross multiply
    24,787.90x = 34,213.98 × 15,351.22
  4. Step 4: Simplify right side
    24,787.90x = 525,226,334.06
  5. Step 5: Solve for x
    x = 525,226,334.06/24,787.90
  6. Step 6: Final answer
    x = 21,188.82

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1.5x scale

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.