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Finding the Fourth Proportional to 26,560.68, 36,666.18 and 15,380.52

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Solution

The fourth proportional to 26,560.68, 36,666.18 and 15,380.52 is: 21,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,560.68 : 36,666.18 = 15,380.52 : x
  2. Step 2: Convert to fraction form
    26,560.68/36,666.18 = 15,380.52/x
  3. Step 3: Cross multiply
    26,560.68x = 36,666.18 × 15,380.52
  4. Step 4: Simplify right side
    26,560.68x = 563,944,914.81
  5. Step 5: Solve for x
    x = 563,944,914.81/26,560.68
  6. Step 6: Final answer
    x = 21,232.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.