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Finding the Fourth Proportional to 8,367.40, 12,536.70 and 5,444.20

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Solution

The fourth proportional to 8,367.40, 12,536.70 and 5,444.20 is: 8,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.40 : 12,536.70 = 5,444.20 : x
  2. Step 2: Convert to fraction form
    8,367.40/12,536.70 = 5,444.20/x
  3. Step 3: Cross multiply
    8,367.40x = 12,536.70 × 5,444.20
  4. Step 4: Simplify right side
    8,367.40x = 68,252,302.14
  5. Step 5: Solve for x
    x = 68,252,302.14/8,367.40
  6. Step 6: Final answer
    x = 8,156.93

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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.