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Finding the Fourth Proportional to 22,900.59, 31,585.05 and 15,344.51

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Solution

The fourth proportional to 22,900.59, 31,585.05 and 15,344.51 is: 21,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.59 : 31,585.05 = 15,344.51 : x
  2. Step 2: Convert to fraction form
    22,900.59/31,585.05 = 15,344.51/x
  3. Step 3: Cross multiply
    22,900.59x = 31,585.05 × 15,344.51
  4. Step 4: Simplify right side
    22,900.59x = 484,657,115.58
  5. Step 5: Solve for x
    x = 484,657,115.58/22,900.59
  6. Step 6: Final answer
    x = 21,163.52

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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.