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Finding the Fourth Proportional to 7,559.97, 11,339.96 and 2,878.89

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Solution

The fourth proportional to 7,559.97, 11,339.96 and 2,878.89 is: 4,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.97 : 11,339.96 = 2,878.89 : x
  2. Step 2: Convert to fraction form
    7,559.97/11,339.96 = 2,878.89/x
  3. Step 3: Cross multiply
    7,559.97x = 11,339.96 × 2,878.89
  4. Step 4: Simplify right side
    7,559.97x = 32,646,483.05
  5. Step 5: Solve for x
    x = 32,646,483.05/7,559.97
  6. Step 6: Final answer
    x = 4,318.34

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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.