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Finding the Fourth Proportional to 8,281.52, 11,430.12 and 4,747.10

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Solution

The fourth proportional to 8,281.52, 11,430.12 and 4,747.10 is: 6,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.52 : 11,430.12 = 4,747.10 : x
  2. Step 2: Convert to fraction form
    8,281.52/11,430.12 = 4,747.10/x
  3. Step 3: Cross multiply
    8,281.52x = 11,430.12 × 4,747.10
  4. Step 4: Simplify right side
    8,281.52x = 54,259,922.65
  5. Step 5: Solve for x
    x = 54,259,922.65/8,281.52
  6. Step 6: Final answer
    x = 6,551.93

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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.