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Finding the Fourth Proportional to 8,293.66, 12,438.77 and 2,448.90

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Solution

The fourth proportional to 8,293.66, 12,438.77 and 2,448.90 is: 3,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.66 : 12,438.77 = 2,448.90 : x
  2. Step 2: Convert to fraction form
    8,293.66/12,438.77 = 2,448.90/x
  3. Step 3: Cross multiply
    8,293.66x = 12,438.77 × 2,448.90
  4. Step 4: Simplify right side
    8,293.66x = 30,461,291.61
  5. Step 5: Solve for x
    x = 30,461,291.61/8,293.66
  6. Step 6: Final answer
    x = 3,672.84

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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.