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Finding the Fourth Proportional to 32,472.68, 44,815.72 and 19,055.20

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Solution

The fourth proportional to 32,472.68, 44,815.72 and 19,055.20 is: 26,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,472.68 : 44,815.72 = 19,055.20 : x
  2. Step 2: Convert to fraction form
    32,472.68/44,815.72 = 19,055.20/x
  3. Step 3: Cross multiply
    32,472.68x = 44,815.72 × 19,055.20
  4. Step 4: Simplify right side
    32,472.68x = 853,972,507.74
  5. Step 5: Solve for x
    x = 853,972,507.74/32,472.68
  6. Step 6: Final answer
    x = 26,298.18

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Why These Related Problems?

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