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Finding the Fourth Proportional to 8,388.98, 12,583.55 and 2,545.59

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Solution

The fourth proportional to 8,388.98, 12,583.55 and 2,545.59 is: 3,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.98 : 12,583.55 = 2,545.59 : x
  2. Step 2: Convert to fraction form
    8,388.98/12,583.55 = 2,545.59/x
  3. Step 3: Cross multiply
    8,388.98x = 12,583.55 × 2,545.59
  4. Step 4: Simplify right side
    8,388.98x = 32,032,612.60
  5. Step 5: Solve for x
    x = 32,032,612.60/8,388.98
  6. Step 6: Final answer
    x = 3,818.41

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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.