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Finding the Fourth Proportional to 72,041.48, 108,076.23 and 27,664.97

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Solution

The fourth proportional to 72,041.48, 108,076.23 and 27,664.97 is: 41,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,041.48 : 108,076.23 = 27,664.97 : x
  2. Step 2: Convert to fraction form
    72,041.48/108,076.23 = 27,664.97/x
  3. Step 3: Cross multiply
    72,041.48x = 108,076.23 × 27,664.97
  4. Step 4: Simplify right side
    72,041.48x = 2,989,925,930.85
  5. Step 5: Solve for x
    x = 2,989,925,930.85/72,041.48
  6. Step 6: Final answer
    x = 41,502.84

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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.