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Finding the Fourth Proportional to 44,767.74, 67,166.22 and 21,396

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Solution

The fourth proportional to 44,767.74, 67,166.22 and 21,396 is: 32,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,767.74 : 67,166.22 = 21,396 : x
  2. Step 2: Convert to fraction form
    44,767.74/67,166.22 = 21,396/x
  3. Step 3: Cross multiply
    44,767.74x = 67,166.22 × 21,396
  4. Step 4: Simplify right side
    44,767.74x = 1,437,088,443.12
  5. Step 5: Solve for x
    x = 1,437,088,443.12/44,767.74
  6. Step 6: Final answer
    x = 32,100.98

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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.