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Finding the Fourth Proportional to 17,381.88, 26,068.78 and 10,363.86

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Solution

The fourth proportional to 17,381.88, 26,068.78 and 10,363.86 is: 15,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.88 : 26,068.78 = 10,363.86 : x
  2. Step 2: Convert to fraction form
    17,381.88/26,068.78 = 10,363.86/x
  3. Step 3: Cross multiply
    17,381.88x = 26,068.78 × 10,363.86
  4. Step 4: Simplify right side
    17,381.88x = 270,173,186.29
  5. Step 5: Solve for x
    x = 270,173,186.29/17,381.88
  6. Step 6: Final answer
    x = 15,543.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.