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Finding the Fourth Proportional to 67,324.60, 100,875.78 and 40,949.56

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Solution

The fourth proportional to 67,324.60, 100,875.78 and 40,949.56 is: 61,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,324.60 : 100,875.78 = 40,949.56 : x
  2. Step 2: Convert to fraction form
    67,324.60/100,875.78 = 40,949.56/x
  3. Step 3: Cross multiply
    67,324.60x = 100,875.78 × 40,949.56
  4. Step 4: Simplify right side
    67,324.60x = 4,130,818,805.66
  5. Step 5: Solve for x
    x = 4,130,818,805.66/67,324.60
  6. Step 6: Final answer
    x = 61,356.75

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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.