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Finding the Fourth Proportional to 32,616.36, 45,011.16 and 18,472.14

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Solution

The fourth proportional to 32,616.36, 45,011.16 and 18,472.14 is: 25,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,616.36 : 45,011.16 = 18,472.14 : x
  2. Step 2: Convert to fraction form
    32,616.36/45,011.16 = 18,472.14/x
  3. Step 3: Cross multiply
    32,616.36x = 45,011.16 × 18,472.14
  4. Step 4: Simplify right side
    32,616.36x = 831,452,449.08
  5. Step 5: Solve for x
    x = 831,452,449.08/32,616.36
  6. Step 6: Final answer
    x = 25,491.88

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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.