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Finding the Fourth Proportional to 17,296.34, 25,943.29 and 9,877.55

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Solution

The fourth proportional to 17,296.34, 25,943.29 and 9,877.55 is: 14,815.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,296.34 : 25,943.29 = 9,877.55 : x
  2. Step 2: Convert to fraction form
    17,296.34/25,943.29 = 9,877.55/x
  3. Step 3: Cross multiply
    17,296.34x = 25,943.29 × 9,877.55
  4. Step 4: Simplify right side
    17,296.34x = 256,255,989.73
  5. Step 5: Solve for x
    x = 256,255,989.73/17,296.34
  6. Step 6: Final answer
    x = 14,815.62

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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.