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Finding the Fourth Proportional to 34,132.80, 51,240.16 and 21,844.80

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Solution

The fourth proportional to 34,132.80, 51,240.16 and 21,844.80 is: 32,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,132.80 : 51,240.16 = 21,844.80 : x
  2. Step 2: Convert to fraction form
    34,132.80/51,240.16 = 21,844.80/x
  3. Step 3: Cross multiply
    34,132.80x = 51,240.16 × 21,844.80
  4. Step 4: Simplify right side
    34,132.80x = 1,119,331,047.17
  5. Step 5: Solve for x
    x = 1,119,331,047.17/34,132.80
  6. Step 6: Final answer
    x = 32,793.41

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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.