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Finding the Fourth Proportional to 17,738.84, 24,479.15 and 9,780.93

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Solution

The fourth proportional to 17,738.84, 24,479.15 and 9,780.93 is: 13,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.84 : 24,479.15 = 9,780.93 : x
  2. Step 2: Convert to fraction form
    17,738.84/24,479.15 = 9,780.93/x
  3. Step 3: Cross multiply
    17,738.84x = 24,479.15 × 9,780.93
  4. Step 4: Simplify right side
    17,738.84x = 239,428,803.70
  5. Step 5: Solve for x
    x = 239,428,803.70/17,738.84
  6. Step 6: Final answer
    x = 13,497.43

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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.