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Finding the Fourth Proportional to 5,459.34, 8,149.29 and 5,053.62

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Solution

The fourth proportional to 5,459.34, 8,149.29 and 5,053.62 is: 7,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.34 : 8,149.29 = 5,053.62 : x
  2. Step 2: Convert to fraction form
    5,459.34/8,149.29 = 5,053.62/x
  3. Step 3: Cross multiply
    5,459.34x = 8,149.29 × 5,053.62
  4. Step 4: Simplify right side
    5,459.34x = 41,183,414.93
  5. Step 5: Solve for x
    x = 41,183,414.93/5,459.34
  6. Step 6: Final answer
    x = 7,543.66

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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.