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Finding the Fourth Proportional to 72,756.60, 108,940.50 and 41,548.92

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Solution

The fourth proportional to 72,756.60, 108,940.50 and 41,548.92 is: 62,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,756.60 : 108,940.50 = 41,548.92 : x
  2. Step 2: Convert to fraction form
    72,756.60/108,940.50 = 41,548.92/x
  3. Step 3: Cross multiply
    72,756.60x = 108,940.50 × 41,548.92
  4. Step 4: Simplify right side
    72,756.60x = 4,526,360,119.26
  5. Step 5: Solve for x
    x = 4,526,360,119.26/72,756.60
  6. Step 6: Final answer
    x = 62,212.36

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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.