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Finding the Fourth Proportional to 8,740.40, 13,084.83 and 5,773.40

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Solution

The fourth proportional to 8,740.40, 13,084.83 and 5,773.40 is: 8,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.40 : 13,084.83 = 5,773.40 : x
  2. Step 2: Convert to fraction form
    8,740.40/13,084.83 = 5,773.40/x
  3. Step 3: Cross multiply
    8,740.40x = 13,084.83 × 5,773.40
  4. Step 4: Simplify right side
    8,740.40x = 75,543,957.52
  5. Step 5: Solve for x
    x = 75,543,957.52/8,740.40
  6. Step 6: Final answer
    x = 8,643.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.