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Finding the Fourth Proportional to 5,656.49, 8,451.26 and 5,462.69

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Solution

The fourth proportional to 5,656.49, 8,451.26 and 5,462.69 is: 8,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.49 : 8,451.26 = 5,462.69 : x
  2. Step 2: Convert to fraction form
    5,656.49/8,451.26 = 5,462.69/x
  3. Step 3: Cross multiply
    5,656.49x = 8,451.26 × 5,462.69
  4. Step 4: Simplify right side
    5,656.49x = 46,166,543.92
  5. Step 5: Solve for x
    x = 46,166,543.92/5,656.49
  6. Step 6: Final answer
    x = 8,161.70

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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.