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Finding the Fourth Proportional to 22,002.76, 30,375.48 and 16,955.92

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Solution

The fourth proportional to 22,002.76, 30,375.48 and 16,955.92 is: 23,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.76 : 30,375.48 = 16,955.92 : x
  2. Step 2: Convert to fraction form
    22,002.76/30,375.48 = 16,955.92/x
  3. Step 3: Cross multiply
    22,002.76x = 30,375.48 × 16,955.92
  4. Step 4: Simplify right side
    22,002.76x = 515,044,208.84
  5. Step 5: Solve for x
    x = 515,044,208.84/22,002.76
  6. Step 6: Final answer
    x = 23,408.16

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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.