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Finding the Fourth Proportional to 5,712.77, 8,559.65 and 5,496.80

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Solution

The fourth proportional to 5,712.77, 8,559.65 and 5,496.80 is: 8,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.77 : 8,559.65 = 5,496.80 : x
  2. Step 2: Convert to fraction form
    5,712.77/8,559.65 = 5,496.80/x
  3. Step 3: Cross multiply
    5,712.77x = 8,559.65 × 5,496.80
  4. Step 4: Simplify right side
    5,712.77x = 47,050,613.84
  5. Step 5: Solve for x
    x = 47,050,613.84/5,712.77
  6. Step 6: Final answer
    x = 8,236.05

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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.