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Finding the Fourth Proportional to 75,724.97, 104,503.97 and 43,903.85

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Solution

The fourth proportional to 75,724.97, 104,503.97 and 43,903.85 is: 60,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,724.97 : 104,503.97 = 43,903.85 : x
  2. Step 2: Convert to fraction form
    75,724.97/104,503.97 = 43,903.85/x
  3. Step 3: Cross multiply
    75,724.97x = 104,503.97 × 43,903.85
  4. Step 4: Simplify right side
    75,724.97x = 4,588,126,210.52
  5. Step 5: Solve for x
    x = 4,588,126,210.52/75,724.97
  6. Step 6: Final answer
    x = 60,589.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.