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Finding the Fourth Proportional to 62,486.40, 86,230.08 and 34,191.52

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Solution

The fourth proportional to 62,486.40, 86,230.08 and 34,191.52 is: 47,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,486.40 : 86,230.08 = 34,191.52 : x
  2. Step 2: Convert to fraction form
    62,486.40/86,230.08 = 34,191.52/x
  3. Step 3: Cross multiply
    62,486.40x = 86,230.08 × 34,191.52
  4. Step 4: Simplify right side
    62,486.40x = 2,948,337,504.92
  5. Step 5: Solve for x
    x = 2,948,337,504.92/62,486.40
  6. Step 6: Final answer
    x = 47,183.67

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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.