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Finding the Fourth Proportional to 22,314.78, 33,477.80 and 15,753.78

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Solution

The fourth proportional to 22,314.78, 33,477.80 and 15,753.78 is: 23,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,314.78 : 33,477.80 = 15,753.78 : x
  2. Step 2: Convert to fraction form
    22,314.78/33,477.80 = 15,753.78/x
  3. Step 3: Cross multiply
    22,314.78x = 33,477.80 × 15,753.78
  4. Step 4: Simplify right side
    22,314.78x = 527,401,817.32
  5. Step 5: Solve for x
    x = 527,401,817.32/22,314.78
  6. Step 6: Final answer
    x = 23,634.64

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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.