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Finding the Fourth Proportional to 32,581.04, 48,886.14 and 18,730.04

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Solution

The fourth proportional to 32,581.04, 48,886.14 and 18,730.04 is: 28,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,581.04 : 48,886.14 = 18,730.04 : x
  2. Step 2: Convert to fraction form
    32,581.04/48,886.14 = 18,730.04/x
  3. Step 3: Cross multiply
    32,581.04x = 48,886.14 × 18,730.04
  4. Step 4: Simplify right side
    32,581.04x = 915,639,357.65
  5. Step 5: Solve for x
    x = 915,639,357.65/32,581.04
  6. Step 6: Final answer
    x = 28,103.44

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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.