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Finding the Fourth Proportional to 32,078.76, 48,127.86 and 14,543.88

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Solution

The fourth proportional to 32,078.76, 48,127.86 and 14,543.88 is: 21,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,078.76 : 48,127.86 = 14,543.88 : x
  2. Step 2: Convert to fraction form
    32,078.76/48,127.86 = 14,543.88/x
  3. Step 3: Cross multiply
    32,078.76x = 48,127.86 × 14,543.88
  4. Step 4: Simplify right side
    32,078.76x = 699,965,820.50
  5. Step 5: Solve for x
    x = 699,965,820.50/32,078.76
  6. Step 6: Final answer
    x = 21,820.23

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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.