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Finding the Fourth Proportional to 32,148.90, 48,220.62 and 9,961.79

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Solution

The fourth proportional to 32,148.90, 48,220.62 and 9,961.79 is: 14,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,148.90 : 48,220.62 = 9,961.79 : x
  2. Step 2: Convert to fraction form
    32,148.90/48,220.62 = 9,961.79/x
  3. Step 3: Cross multiply
    32,148.90x = 48,220.62 × 9,961.79
  4. Step 4: Simplify right side
    32,148.90x = 480,363,411.65
  5. Step 5: Solve for x
    x = 480,363,411.65/32,148.90
  6. Step 6: Final answer
    x = 14,941.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.