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Finding the Fourth Proportional to 8,323.60, 12,469.20 and 5,026.90

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Solution

The fourth proportional to 8,323.60, 12,469.20 and 5,026.90 is: 7,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.60 : 12,469.20 = 5,026.90 : x
  2. Step 2: Convert to fraction form
    8,323.60/12,469.20 = 5,026.90/x
  3. Step 3: Cross multiply
    8,323.60x = 12,469.20 × 5,026.90
  4. Step 4: Simplify right side
    8,323.60x = 62,681,421.48
  5. Step 5: Solve for x
    x = 62,681,421.48/8,323.60
  6. Step 6: Final answer
    x = 7,530.57

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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.