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Finding the Fourth Proportional to 8,867.85, 12,237.63 and 5,333.12

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Solution

The fourth proportional to 8,867.85, 12,237.63 and 5,333.12 is: 7,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.85 : 12,237.63 = 5,333.12 : x
  2. Step 2: Convert to fraction form
    8,867.85/12,237.63 = 5,333.12/x
  3. Step 3: Cross multiply
    8,867.85x = 12,237.63 × 5,333.12
  4. Step 4: Simplify right side
    8,867.85x = 65,264,688.12
  5. Step 5: Solve for x
    x = 65,264,688.12/8,867.85
  6. Step 6: Final answer
    x = 7,359.70

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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.