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Finding the Fourth Proportional to 72,571.60, 108,753.56 and 41,342.32

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Solution

The fourth proportional to 72,571.60, 108,753.56 and 41,342.32 is: 61,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,571.60 : 108,753.56 = 41,342.32 : x
  2. Step 2: Convert to fraction form
    72,571.60/108,753.56 = 41,342.32/x
  3. Step 3: Cross multiply
    72,571.60x = 108,753.56 × 41,342.32
  4. Step 4: Simplify right side
    72,571.60x = 4,496,124,478.66
  5. Step 5: Solve for x
    x = 4,496,124,478.66/72,571.60
  6. Step 6: Final answer
    x = 61,954.32

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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.