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Finding the Fourth Proportional to 40,645.80, 60,873.60 and 35,159.40

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Solution

The fourth proportional to 40,645.80, 60,873.60 and 35,159.40 is: 52,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,645.80 : 60,873.60 = 35,159.40 : x
  2. Step 2: Convert to fraction form
    40,645.80/60,873.60 = 35,159.40/x
  3. Step 3: Cross multiply
    40,645.80x = 60,873.60 × 35,159.40
  4. Step 4: Simplify right side
    40,645.80x = 2,140,279,251.84
  5. Step 5: Solve for x
    x = 2,140,279,251.84/40,645.80
  6. Step 6: Final answer
    x = 52,656.84

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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.