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Finding the Fourth Proportional to 8,367.55, 12,537.15 and 5,554.42

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Solution

The fourth proportional to 8,367.55, 12,537.15 and 5,554.42 is: 8,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.55 : 12,537.15 = 5,554.42 : x
  2. Step 2: Convert to fraction form
    8,367.55/12,537.15 = 5,554.42/x
  3. Step 3: Cross multiply
    8,367.55x = 12,537.15 × 5,554.42
  4. Step 4: Simplify right side
    8,367.55x = 69,636,596.70
  5. Step 5: Solve for x
    x = 69,636,596.70/8,367.55
  6. Step 6: Final answer
    x = 8,322.22

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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.