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Finding the Fourth Proportional to 67,359.60, 92,940.48 and 40,497.84

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Solution

The fourth proportional to 67,359.60, 92,940.48 and 40,497.84 is: 55,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,359.60 : 92,940.48 = 40,497.84 : x
  2. Step 2: Convert to fraction form
    67,359.60/92,940.48 = 40,497.84/x
  3. Step 3: Cross multiply
    67,359.60x = 92,940.48 × 40,497.84
  4. Step 4: Simplify right side
    67,359.60x = 3,763,888,688.56
  5. Step 5: Solve for x
    x = 3,763,888,688.56/67,359.60
  6. Step 6: Final answer
    x = 55,877.54

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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.