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Finding the Fourth Proportional to 8,998.55, 13,497.83 and 2,758.53

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Solution

The fourth proportional to 8,998.55, 13,497.83 and 2,758.53 is: 4,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.55 : 13,497.83 = 2,758.53 : x
  2. Step 2: Convert to fraction form
    8,998.55/13,497.83 = 2,758.53/x
  3. Step 3: Cross multiply
    8,998.55x = 13,497.83 × 2,758.53
  4. Step 4: Simplify right side
    8,998.55x = 37,234,155.20
  5. Step 5: Solve for x
    x = 37,234,155.20/8,998.55
  6. Step 6: Final answer
    x = 4,137.80

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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.