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Finding the Fourth Proportional to 74,636.88, 111,934.54 and 24,720.88

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Solution

The fourth proportional to 74,636.88, 111,934.54 and 24,720.88 is: 37,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,636.88 : 111,934.54 = 24,720.88 : x
  2. Step 2: Convert to fraction form
    74,636.88/111,934.54 = 24,720.88/x
  3. Step 3: Cross multiply
    74,636.88x = 111,934.54 × 24,720.88
  4. Step 4: Simplify right side
    74,636.88x = 2,767,120,331.20
  5. Step 5: Solve for x
    x = 2,767,120,331.20/74,636.88
  6. Step 6: Final answer
    x = 37,074.44

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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.