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Finding the Fourth Proportional to 62,311.84, 85,987.34 and 35,451.84

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Solution

The fourth proportional to 62,311.84, 85,987.34 and 35,451.84 is: 48,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,311.84 : 85,987.34 = 35,451.84 : x
  2. Step 2: Convert to fraction form
    62,311.84/85,987.34 = 35,451.84/x
  3. Step 3: Cross multiply
    62,311.84x = 85,987.34 × 35,451.84
  4. Step 4: Simplify right side
    62,311.84x = 3,048,409,419.71
  5. Step 5: Solve for x
    x = 3,048,409,419.71/62,311.84
  6. Step 6: Final answer
    x = 48,921.83

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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.