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Finding the Fourth Proportional to 8,929.31, 12,322.45 and 4,951.02

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Solution

The fourth proportional to 8,929.31, 12,322.45 and 4,951.02 is: 6,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.31 : 12,322.45 = 4,951.02 : x
  2. Step 2: Convert to fraction form
    8,929.31/12,322.45 = 4,951.02/x
  3. Step 3: Cross multiply
    8,929.31x = 12,322.45 × 4,951.02
  4. Step 4: Simplify right side
    8,929.31x = 61,008,696.40
  5. Step 5: Solve for x
    x = 61,008,696.40/8,929.31
  6. Step 6: Final answer
    x = 6,832.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.