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Finding the Fourth Proportional to 8,325.91, 11,489.75 and 4,599.91

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Solution

The fourth proportional to 8,325.91, 11,489.75 and 4,599.91 is: 6,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.91 : 11,489.75 = 4,599.91 : x
  2. Step 2: Convert to fraction form
    8,325.91/11,489.75 = 4,599.91/x
  3. Step 3: Cross multiply
    8,325.91x = 11,489.75 × 4,599.91
  4. Step 4: Simplify right side
    8,325.91x = 52,851,798.70
  5. Step 5: Solve for x
    x = 52,851,798.70/8,325.91
  6. Step 6: Final answer
    x = 6,347.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.