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Finding the Fourth Proportional to 5,581.44, 8,328.96 and 5,369.76

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Solution

The fourth proportional to 5,581.44, 8,328.96 and 5,369.76 is: 8,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.44 : 8,328.96 = 5,369.76 : x
  2. Step 2: Convert to fraction form
    5,581.44/8,328.96 = 5,369.76/x
  3. Step 3: Cross multiply
    5,581.44x = 8,328.96 × 5,369.76
  4. Step 4: Simplify right side
    5,581.44x = 44,724,516.25
  5. Step 5: Solve for x
    x = 44,724,516.25/5,581.44
  6. Step 6: Final answer
    x = 8,013.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.