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Finding the Fourth Proportional to 12,552.47, 18,805.76 and 5,876.72

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Solution

The fourth proportional to 12,552.47, 18,805.76 and 5,876.72 is: 8,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.47 : 18,805.76 = 5,876.72 : x
  2. Step 2: Convert to fraction form
    12,552.47/18,805.76 = 5,876.72/x
  3. Step 3: Cross multiply
    12,552.47x = 18,805.76 × 5,876.72
  4. Step 4: Simplify right side
    12,552.47x = 110,516,156.52
  5. Step 5: Solve for x
    x = 110,516,156.52/12,552.47
  6. Step 6: Final answer
    x = 8,804.34

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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.