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Finding the Fourth Proportional to 8,927.64, 12,319.92 and 4,948.74

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Solution

The fourth proportional to 8,927.64, 12,319.92 and 4,948.74 is: 6,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.64 : 12,319.92 = 4,948.74 : x
  2. Step 2: Convert to fraction form
    8,927.64/12,319.92 = 4,948.74/x
  3. Step 3: Cross multiply
    8,927.64x = 12,319.92 × 4,948.74
  4. Step 4: Simplify right side
    8,927.64x = 60,968,080.90
  5. Step 5: Solve for x
    x = 60,968,080.90/8,927.64
  6. Step 6: Final answer
    x = 6,829.14

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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.