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Finding the Fourth Proportional to 61,855.70, 85,381.43 and 44,002.49

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Solution

The fourth proportional to 61,855.70, 85,381.43 and 44,002.49 is: 60,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,855.70 : 85,381.43 = 44,002.49 : x
  2. Step 2: Convert to fraction form
    61,855.70/85,381.43 = 44,002.49/x
  3. Step 3: Cross multiply
    61,855.70x = 85,381.43 × 44,002.49
  4. Step 4: Simplify right side
    61,855.70x = 3,756,994,872.84
  5. Step 5: Solve for x
    x = 3,756,994,872.84/61,855.70
  6. Step 6: Final answer
    x = 60,738.06

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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.