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Finding the Fourth Proportional to 5,587.67, 7,655.16 and 5,377.52

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Solution

The fourth proportional to 5,587.67, 7,655.16 and 5,377.52 is: 7,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.67 : 7,655.16 = 5,377.52 : x
  2. Step 2: Convert to fraction form
    5,587.67/7,655.16 = 5,377.52/x
  3. Step 3: Cross multiply
    5,587.67x = 7,655.16 × 5,377.52
  4. Step 4: Simplify right side
    5,587.67x = 41,165,737.73
  5. Step 5: Solve for x
    x = 41,165,737.73/5,587.67
  6. Step 6: Final answer
    x = 7,367.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.