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Finding the Fourth Proportional to 66,913.59, 100,367.13 and 22,542.09

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Solution

The fourth proportional to 66,913.59, 100,367.13 and 22,542.09 is: 33,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.59 : 100,367.13 = 22,542.09 : x
  2. Step 2: Convert to fraction form
    66,913.59/100,367.13 = 22,542.09/x
  3. Step 3: Cross multiply
    66,913.59x = 100,367.13 × 22,542.09
  4. Step 4: Simplify right side
    66,913.59x = 2,262,484,877.50
  5. Step 5: Solve for x
    x = 2,262,484,877.50/66,913.59
  6. Step 6: Final answer
    x = 33,812.04

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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.