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Finding the Fourth Proportional to 17,952.84, 24,780.53 and 10,787.99

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Solution

The fourth proportional to 17,952.84, 24,780.53 and 10,787.99 is: 14,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,952.84 : 24,780.53 = 10,787.99 : x
  2. Step 2: Convert to fraction form
    17,952.84/24,780.53 = 10,787.99/x
  3. Step 3: Cross multiply
    17,952.84x = 24,780.53 × 10,787.99
  4. Step 4: Simplify right side
    17,952.84x = 267,332,012.90
  5. Step 5: Solve for x
    x = 267,332,012.90/17,952.84
  6. Step 6: Final answer
    x = 14,890.79

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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.