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Finding the Fourth Proportional to 40,648.24, 60,995.68 and 21,928.24

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Solution

The fourth proportional to 40,648.24, 60,995.68 and 21,928.24 is: 32,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,648.24 : 60,995.68 = 21,928.24 : x
  2. Step 2: Convert to fraction form
    40,648.24/60,995.68 = 21,928.24/x
  3. Step 3: Cross multiply
    40,648.24x = 60,995.68 × 21,928.24
  4. Step 4: Simplify right side
    40,648.24x = 1,337,527,910.00
  5. Step 5: Solve for x
    x = 1,337,527,910.00/40,648.24
  6. Step 6: Final answer
    x = 32,904.94

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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.