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Finding the Fourth Proportional to 62,213.80, 85,855.02 and 35,356.36

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Solution

The fourth proportional to 62,213.80, 85,855.02 and 35,356.36 is: 48,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,213.80 : 85,855.02 = 35,356.36 : x
  2. Step 2: Convert to fraction form
    62,213.80/85,855.02 = 35,356.36/x
  3. Step 3: Cross multiply
    62,213.80x = 85,855.02 × 35,356.36
  4. Step 4: Simplify right side
    62,213.80x = 3,035,520,994.93
  5. Step 5: Solve for x
    x = 3,035,520,994.93/62,213.80
  6. Step 6: Final answer
    x = 48,791.76

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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.