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Finding the Fourth Proportional to 40,166.40, 60,249.60 and 32,390.40

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Solution

The fourth proportional to 40,166.40, 60,249.60 and 32,390.40 is: 48,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166.40 : 60,249.60 = 32,390.40 : x
  2. Step 2: Convert to fraction form
    40,166.40/60,249.60 = 32,390.40/x
  3. Step 3: Cross multiply
    40,166.40x = 60,249.60 × 32,390.40
  4. Step 4: Simplify right side
    40,166.40x = 1,951,508,643.84
  5. Step 5: Solve for x
    x = 1,951,508,643.84/40,166.40
  6. Step 6: Final answer
    x = 48,585.60

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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.