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Finding the Fourth Proportional to 72,275.75, 108,420.87 and 24,884.56

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Solution

The fourth proportional to 72,275.75, 108,420.87 and 24,884.56 is: 37,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,275.75 : 108,420.87 = 24,884.56 : x
  2. Step 2: Convert to fraction form
    72,275.75/108,420.87 = 24,884.56/x
  3. Step 3: Cross multiply
    72,275.75x = 108,420.87 × 24,884.56
  4. Step 4: Simplify right side
    72,275.75x = 2,698,005,644.77
  5. Step 5: Solve for x
    x = 2,698,005,644.77/72,275.75
  6. Step 6: Final answer
    x = 37,329.34

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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.