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Finding the Fourth Proportional to 23,641.81, 35,358.15 and 21,027.66

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Solution

The fourth proportional to 23,641.81, 35,358.15 and 21,027.66 is: 31,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,641.81 : 35,358.15 = 21,027.66 : x
  2. Step 2: Convert to fraction form
    23,641.81/35,358.15 = 21,027.66/x
  3. Step 3: Cross multiply
    23,641.81x = 35,358.15 × 21,027.66
  4. Step 4: Simplify right side
    23,641.81x = 743,499,306.95
  5. Step 5: Solve for x
    x = 743,499,306.95/23,641.81
  6. Step 6: Final answer
    x = 31,448.49

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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.