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Finding the Fourth Proportional to 6,585.48, 9,878.23 and 2,689.89

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Solution

The fourth proportional to 6,585.48, 9,878.23 and 2,689.89 is: 4,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,585.48 : 9,878.23 = 2,689.89 : x
  2. Step 2: Convert to fraction form
    6,585.48/9,878.23 = 2,689.89/x
  3. Step 3: Cross multiply
    6,585.48x = 9,878.23 × 2,689.89
  4. Step 4: Simplify right side
    6,585.48x = 26,571,289.25
  5. Step 5: Solve for x
    x = 26,571,289.25/6,585.48
  6. Step 6: Final answer
    x = 4,034.83

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Similar ratio
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1.5x scale

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.