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Finding the Fourth Proportional to 17,757.84, 24,498.84 and 15,519.81

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Solution

The fourth proportional to 17,757.84, 24,498.84 and 15,519.81 is: 21,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.84 : 24,498.84 = 15,519.81 : x
  2. Step 2: Convert to fraction form
    17,757.84/24,498.84 = 15,519.81/x
  3. Step 3: Cross multiply
    17,757.84x = 24,498.84 × 15,519.81
  4. Step 4: Simplify right side
    17,757.84x = 380,217,342.02
  5. Step 5: Solve for x
    x = 380,217,342.02/17,757.84
  6. Step 6: Final answer
    x = 21,411.24

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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.