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Finding the Fourth Proportional to 40,456.80, 60,663.60 and 17,056.80

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Solution

The fourth proportional to 40,456.80, 60,663.60 and 17,056.80 is: 25,576.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.80 : 60,663.60 = 17,056.80 : x
  2. Step 2: Convert to fraction form
    40,456.80/60,663.60 = 17,056.80/x
  3. Step 3: Cross multiply
    40,456.80x = 60,663.60 × 17,056.80
  4. Step 4: Simplify right side
    40,456.80x = 1,034,726,892.48
  5. Step 5: Solve for x
    x = 1,034,726,892.48/40,456.80
  6. Step 6: Final answer
    x = 25,576.09

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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.