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Finding the Fourth Proportional to 34,658.76, 51,988.15 and 8,363.50

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Solution

The fourth proportional to 34,658.76, 51,988.15 and 8,363.50 is: 12,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.76 : 51,988.15 = 8,363.50 : x
  2. Step 2: Convert to fraction form
    34,658.76/51,988.15 = 8,363.50/x
  3. Step 3: Cross multiply
    34,658.76x = 51,988.15 × 8,363.50
  4. Step 4: Simplify right side
    34,658.76x = 434,802,892.53
  5. Step 5: Solve for x
    x = 434,802,892.53/34,658.76
  6. Step 6: Final answer
    x = 12,545.25

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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.