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Finding the Fourth Proportional to 6,873.40, 9,489.18 and 4,752.04

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Solution

The fourth proportional to 6,873.40, 9,489.18 and 4,752.04 is: 6,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.40 : 9,489.18 = 4,752.04 : x
  2. Step 2: Convert to fraction form
    6,873.40/9,489.18 = 4,752.04/x
  3. Step 3: Cross multiply
    6,873.40x = 9,489.18 × 4,752.04
  4. Step 4: Simplify right side
    6,873.40x = 45,092,962.93
  5. Step 5: Solve for x
    x = 45,092,962.93/6,873.40
  6. Step 6: Final answer
    x = 6,560.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.