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Finding the Fourth Proportional to 32,751.84, 49,127.76 and 8,127.84

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Solution

The fourth proportional to 32,751.84, 49,127.76 and 8,127.84 is: 12,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.84 : 49,127.76 = 8,127.84 : x
  2. Step 2: Convert to fraction form
    32,751.84/49,127.76 = 8,127.84/x
  3. Step 3: Cross multiply
    32,751.84x = 49,127.76 × 8,127.84
  4. Step 4: Simplify right side
    32,751.84x = 399,302,572.84
  5. Step 5: Solve for x
    x = 399,302,572.84/32,751.84
  6. Step 6: Final answer
    x = 12,191.76

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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.