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Finding the Fourth Proportional to 5,691.33, 8,499.23 and 4,913.23

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Solution

The fourth proportional to 5,691.33, 8,499.23 and 4,913.23 is: 7,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.33 : 8,499.23 = 4,913.23 : x
  2. Step 2: Convert to fraction form
    5,691.33/8,499.23 = 4,913.23/x
  3. Step 3: Cross multiply
    5,691.33x = 8,499.23 × 4,913.23
  4. Step 4: Simplify right side
    5,691.33x = 41,758,684.26
  5. Step 5: Solve for x
    x = 41,758,684.26/5,691.33
  6. Step 6: Final answer
    x = 7,337.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.