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Finding the Fourth Proportional to 8,833.32, 13,254.90 and 7,540.68

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Solution

The fourth proportional to 8,833.32, 13,254.90 and 7,540.68 is: 11,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.32 : 13,254.90 = 7,540.68 : x
  2. Step 2: Convert to fraction form
    8,833.32/13,254.90 = 7,540.68/x
  3. Step 3: Cross multiply
    8,833.32x = 13,254.90 × 7,540.68
  4. Step 4: Simplify right side
    8,833.32x = 99,950,959.33
  5. Step 5: Solve for x
    x = 99,950,959.33/8,833.32
  6. Step 6: Final answer
    x = 11,315.22

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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.