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Finding the Fourth Proportional to 8,725.96, 12,038.88 and 4,948.72

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Solution

The fourth proportional to 8,725.96, 12,038.88 and 4,948.72 is: 6,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.96 : 12,038.88 = 4,948.72 : x
  2. Step 2: Convert to fraction form
    8,725.96/12,038.88 = 4,948.72/x
  3. Step 3: Cross multiply
    8,725.96x = 12,038.88 × 4,948.72
  4. Step 4: Simplify right side
    8,725.96x = 59,577,046.23
  5. Step 5: Solve for x
    x = 59,577,046.23/8,725.96
  6. Step 6: Final answer
    x = 6,827.56

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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.