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Finding the Fourth Proportional to 8,830.68, 13,242.84 and 4,149.84

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Solution

The fourth proportional to 8,830.68, 13,242.84 and 4,149.84 is: 6,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.68 : 13,242.84 = 4,149.84 : x
  2. Step 2: Convert to fraction form
    8,830.68/13,242.84 = 4,149.84/x
  3. Step 3: Cross multiply
    8,830.68x = 13,242.84 × 4,149.84
  4. Step 4: Simplify right side
    8,830.68x = 54,955,667.15
  5. Step 5: Solve for x
    x = 54,955,667.15/8,830.68
  6. Step 6: Final answer
    x = 6,223.27

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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.