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Finding the Fourth Proportional to 17,706.10, 26,575.55 and 8,947.17

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Solution

The fourth proportional to 17,706.10, 26,575.55 and 8,947.17 is: 13,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,706.10 : 26,575.55 = 8,947.17 : x
  2. Step 2: Convert to fraction form
    17,706.10/26,575.55 = 8,947.17/x
  3. Step 3: Cross multiply
    17,706.10x = 26,575.55 × 8,947.17
  4. Step 4: Simplify right side
    17,706.10x = 237,775,830.82
  5. Step 5: Solve for x
    x = 237,775,830.82/17,706.10
  6. Step 6: Final answer
    x = 13,429.03

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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.