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Finding the Fourth Proportional to 4,062.88, 5,606.20 and 2,294.20

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Solution

The fourth proportional to 4,062.88, 5,606.20 and 2,294.20 is: 3,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,062.88 : 5,606.20 = 2,294.20 : x
  2. Step 2: Convert to fraction form
    4,062.88/5,606.20 = 2,294.20/x
  3. Step 3: Cross multiply
    4,062.88x = 5,606.20 × 2,294.20
  4. Step 4: Simplify right side
    4,062.88x = 12,861,744.04
  5. Step 5: Solve for x
    x = 12,861,744.04/4,062.88
  6. Step 6: Final answer
    x = 3,165.67

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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.