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Finding the Fourth Proportional to 8,767.53, 12,100.77 and 5,230.98

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Solution

The fourth proportional to 8,767.53, 12,100.77 and 5,230.98 is: 7,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.53 : 12,100.77 = 5,230.98 : x
  2. Step 2: Convert to fraction form
    8,767.53/12,100.77 = 5,230.98/x
  3. Step 3: Cross multiply
    8,767.53x = 12,100.77 × 5,230.98
  4. Step 4: Simplify right side
    8,767.53x = 63,298,885.85
  5. Step 5: Solve for x
    x = 63,298,885.85/8,767.53
  6. Step 6: Final answer
    x = 7,219.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.