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Finding the Fourth Proportional to 32,422.68, 44,740.62 and 18,279

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Solution

The fourth proportional to 32,422.68, 44,740.62 and 18,279 is: 25,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,422.68 : 44,740.62 = 18,279 : x
  2. Step 2: Convert to fraction form
    32,422.68/44,740.62 = 18,279/x
  3. Step 3: Cross multiply
    32,422.68x = 44,740.62 × 18,279
  4. Step 4: Simplify right side
    32,422.68x = 817,813,792.98
  5. Step 5: Solve for x
    x = 817,813,792.98/32,422.68
  6. Step 6: Final answer
    x = 25,223.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.