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Finding the Fourth Proportional to 32,356.66, 48,472.78 and 19,840.18

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Solution

The fourth proportional to 32,356.66, 48,472.78 and 19,840.18 is: 29,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,356.66 : 48,472.78 = 19,840.18 : x
  2. Step 2: Convert to fraction form
    32,356.66/48,472.78 = 19,840.18/x
  3. Step 3: Cross multiply
    32,356.66x = 48,472.78 × 19,840.18
  4. Step 4: Simplify right side
    32,356.66x = 961,708,680.30
  5. Step 5: Solve for x
    x = 961,708,680.30/32,356.66
  6. Step 6: Final answer
    x = 29,722.12

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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.