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Finding the Fourth Proportional to 12,377.99, 17,052.75 and 10,126.75

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Solution

The fourth proportional to 12,377.99, 17,052.75 and 10,126.75 is: 13,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.99 : 17,052.75 = 10,126.75 : x
  2. Step 2: Convert to fraction form
    12,377.99/17,052.75 = 10,126.75/x
  3. Step 3: Cross multiply
    12,377.99x = 17,052.75 × 10,126.75
  4. Step 4: Simplify right side
    12,377.99x = 172,688,936.06
  5. Step 5: Solve for x
    x = 172,688,936.06/12,377.99
  6. Step 6: Final answer
    x = 13,951.29

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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.