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Finding the Fourth Proportional to 6,011.76, 8,296.65 and 3,915.89

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Solution

The fourth proportional to 6,011.76, 8,296.65 and 3,915.89 is: 5,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,011.76 : 8,296.65 = 3,915.89 : x
  2. Step 2: Convert to fraction form
    6,011.76/8,296.65 = 3,915.89/x
  3. Step 3: Cross multiply
    6,011.76x = 8,296.65 × 3,915.89
  4. Step 4: Simplify right side
    6,011.76x = 32,488,727.29
  5. Step 5: Solve for x
    x = 32,488,727.29/6,011.76
  6. Step 6: Final answer
    x = 5,404.20

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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.