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Finding the Fourth Proportional to 5,641.76, 8,462.32 and 3,049.76

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Solution

The fourth proportional to 5,641.76, 8,462.32 and 3,049.76 is: 4,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.76 : 8,462.32 = 3,049.76 : x
  2. Step 2: Convert to fraction form
    5,641.76/8,462.32 = 3,049.76/x
  3. Step 3: Cross multiply
    5,641.76x = 8,462.32 × 3,049.76
  4. Step 4: Simplify right side
    5,641.76x = 25,808,045.04
  5. Step 5: Solve for x
    x = 25,808,045.04/5,641.76
  6. Step 6: Final answer
    x = 4,574.47

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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.