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Finding the Fourth Proportional to 8,363.98, 12,545.07 and 4,200.58

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Solution

The fourth proportional to 8,363.98, 12,545.07 and 4,200.58 is: 6,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.98 : 12,545.07 = 4,200.58 : x
  2. Step 2: Convert to fraction form
    8,363.98/12,545.07 = 4,200.58/x
  3. Step 3: Cross multiply
    8,363.98x = 12,545.07 × 4,200.58
  4. Step 4: Simplify right side
    8,363.98x = 52,696,570.14
  5. Step 5: Solve for x
    x = 52,696,570.14/8,363.98
  6. Step 6: Final answer
    x = 6,300.42

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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.