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Finding the Fourth Proportional to 74,904.20, 112,371.90 and 24,999.80

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Solution

The fourth proportional to 74,904.20, 112,371.90 and 24,999.80 is: 37,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904.20 : 112,371.90 = 24,999.80 : x
  2. Step 2: Convert to fraction form
    74,904.20/112,371.90 = 24,999.80/x
  3. Step 3: Cross multiply
    74,904.20x = 112,371.90 × 24,999.80
  4. Step 4: Simplify right side
    74,904.20x = 2,809,275,025.62
  5. Step 5: Solve for x
    x = 2,809,275,025.62/74,904.20
  6. Step 6: Final answer
    x = 37,504.91

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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.