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Finding the Fourth Proportional to 8,885.14, 13,335.84 and 4,505.62

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Solution

The fourth proportional to 8,885.14, 13,335.84 and 4,505.62 is: 6,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.14 : 13,335.84 = 4,505.62 : x
  2. Step 2: Convert to fraction form
    8,885.14/13,335.84 = 4,505.62/x
  3. Step 3: Cross multiply
    8,885.14x = 13,335.84 × 4,505.62
  4. Step 4: Simplify right side
    8,885.14x = 60,086,227.42
  5. Step 5: Solve for x
    x = 60,086,227.42/8,885.14
  6. Step 6: Final answer
    x = 6,762.55

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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.