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Finding the Fourth Proportional to 69,522.24, 95,941.44 and 42,290.40

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Solution

The fourth proportional to 69,522.24, 95,941.44 and 42,290.40 is: 58,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,522.24 : 95,941.44 = 42,290.40 : x
  2. Step 2: Convert to fraction form
    69,522.24/95,941.44 = 42,290.40/x
  3. Step 3: Cross multiply
    69,522.24x = 95,941.44 × 42,290.40
  4. Step 4: Simplify right side
    69,522.24x = 4,057,401,874.18
  5. Step 5: Solve for x
    x = 4,057,401,874.18/69,522.24
  6. Step 6: Final answer
    x = 58,361.21

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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.