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Finding the Fourth Proportional to 53,607.60, 80,497.80 and 40,474.80

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Solution

The fourth proportional to 53,607.60, 80,497.80 and 40,474.80 is: 60,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,607.60 : 80,497.80 = 40,474.80 : x
  2. Step 2: Convert to fraction form
    53,607.60/80,497.80 = 40,474.80/x
  3. Step 3: Cross multiply
    53,607.60x = 80,497.80 × 40,474.80
  4. Step 4: Simplify right side
    53,607.60x = 3,258,132,355.44
  5. Step 5: Solve for x
    x = 3,258,132,355.44/53,607.60
  6. Step 6: Final answer
    x = 60,777.43

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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.