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Finding the Fourth Proportional to 34,886.78, 52,329.66 and 8,591.78

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Solution

The fourth proportional to 34,886.78, 52,329.66 and 8,591.78 is: 12,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.78 : 52,329.66 = 8,591.78 : x
  2. Step 2: Convert to fraction form
    34,886.78/52,329.66 = 8,591.78/x
  3. Step 3: Cross multiply
    34,886.78x = 52,329.66 × 8,591.78
  4. Step 4: Simplify right side
    34,886.78x = 449,604,926.19
  5. Step 5: Solve for x
    x = 449,604,926.19/34,886.78
  6. Step 6: Final answer
    x = 12,887.54

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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.