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Finding the Fourth Proportional to 8,073.79, 12,110.92 and 2,230.40

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Solution

The fourth proportional to 8,073.79, 12,110.92 and 2,230.40 is: 3,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.79 : 12,110.92 = 2,230.40 : x
  2. Step 2: Convert to fraction form
    8,073.79/12,110.92 = 2,230.40/x
  3. Step 3: Cross multiply
    8,073.79x = 12,110.92 × 2,230.40
  4. Step 4: Simplify right side
    8,073.79x = 27,012,220.67
  5. Step 5: Solve for x
    x = 27,012,220.67/8,073.79
  6. Step 6: Final answer
    x = 3,345.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.