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Finding the Fourth Proportional to 34,687.26, 52,030.98 and 8,391.96

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Solution

The fourth proportional to 34,687.26, 52,030.98 and 8,391.96 is: 12,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,687.26 : 52,030.98 = 8,391.96 : x
  2. Step 2: Convert to fraction form
    34,687.26/52,030.98 = 8,391.96/x
  3. Step 3: Cross multiply
    34,687.26x = 52,030.98 × 8,391.96
  4. Step 4: Simplify right side
    34,687.26x = 436,641,902.92
  5. Step 5: Solve for x
    x = 436,641,902.92/34,687.26
  6. Step 6: Final answer
    x = 12,587.96

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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.