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Finding the Fourth Proportional to 8,404.57, 12,605.44 and 2,400.22

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Solution

The fourth proportional to 8,404.57, 12,605.44 and 2,400.22 is: 3,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.57 : 12,605.44 = 2,400.22 : x
  2. Step 2: Convert to fraction form
    8,404.57/12,605.44 = 2,400.22/x
  3. Step 3: Cross multiply
    8,404.57x = 12,605.44 × 2,400.22
  4. Step 4: Simplify right side
    8,404.57x = 30,255,829.20
  5. Step 5: Solve for x
    x = 30,255,829.20/8,404.57
  6. Step 6: Final answer
    x = 3,599.93

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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.