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Finding the Fourth Proportional to 17,761.87, 24,513.02 and 12,392.10

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Solution

The fourth proportional to 17,761.87, 24,513.02 and 12,392.10 is: 17,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.87 : 24,513.02 = 12,392.10 : x
  2. Step 2: Convert to fraction form
    17,761.87/24,513.02 = 12,392.10/x
  3. Step 3: Cross multiply
    17,761.87x = 24,513.02 × 12,392.10
  4. Step 4: Simplify right side
    17,761.87x = 303,767,795.14
  5. Step 5: Solve for x
    x = 303,767,795.14/17,761.87
  6. Step 6: Final answer
    x = 17,102.24

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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.