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Finding the Fourth Proportional to 32,253.12, 44,511.30 and 21,479.52

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Solution

The fourth proportional to 32,253.12, 44,511.30 and 21,479.52 is: 29,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,253.12 : 44,511.30 = 21,479.52 : x
  2. Step 2: Convert to fraction form
    32,253.12/44,511.30 = 21,479.52/x
  3. Step 3: Cross multiply
    32,253.12x = 44,511.30 × 21,479.52
  4. Step 4: Simplify right side
    32,253.12x = 956,081,358.58
  5. Step 5: Solve for x
    x = 956,081,358.58/32,253.12
  6. Step 6: Final answer
    x = 29,643.07

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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.