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Finding the Fourth Proportional to 34,659.18, 51,988.56 and 8,363.88

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Solution

The fourth proportional to 34,659.18, 51,988.56 and 8,363.88 is: 12,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,659.18 : 51,988.56 = 8,363.88 : x
  2. Step 2: Convert to fraction form
    34,659.18/51,988.56 = 8,363.88/x
  3. Step 3: Cross multiply
    34,659.18x = 51,988.56 × 8,363.88
  4. Step 4: Simplify right side
    34,659.18x = 434,826,077.21
  5. Step 5: Solve for x
    x = 434,826,077.21/34,659.18
  6. Step 6: Final answer
    x = 12,545.77

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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.