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Finding the Fourth Proportional to 22,773.16, 34,143.60 and 8,721.34

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Solution

The fourth proportional to 22,773.16, 34,143.60 and 8,721.34 is: 13,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,773.16 : 34,143.60 = 8,721.34 : x
  2. Step 2: Convert to fraction form
    22,773.16/34,143.60 = 8,721.34/x
  3. Step 3: Cross multiply
    22,773.16x = 34,143.60 × 8,721.34
  4. Step 4: Simplify right side
    22,773.16x = 297,777,944.42
  5. Step 5: Solve for x
    x = 297,777,944.42/22,773.16
  6. Step 6: Final answer
    x = 13,075.83

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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.