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Finding the Fourth Proportional to 26,597.66, 39,892.16 and 12,557.66

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Solution

The fourth proportional to 26,597.66, 39,892.16 and 12,557.66 is: 18,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,597.66 : 39,892.16 = 12,557.66 : x
  2. Step 2: Convert to fraction form
    26,597.66/39,892.16 = 12,557.66/x
  3. Step 3: Cross multiply
    26,597.66x = 39,892.16 × 12,557.66
  4. Step 4: Simplify right side
    26,597.66x = 500,951,919.70
  5. Step 5: Solve for x
    x = 500,951,919.70/26,597.66
  6. Step 6: Final answer
    x = 18,834.44

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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.