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Finding the Fourth Proportional to 36,572.38, 54,858.57 and 8,870.38

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Solution

The fourth proportional to 36,572.38, 54,858.57 and 8,870.38 is: 13,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,572.38 : 54,858.57 = 8,870.38 : x
  2. Step 2: Convert to fraction form
    36,572.38/54,858.57 = 8,870.38/x
  3. Step 3: Cross multiply
    36,572.38x = 54,858.57 × 8,870.38
  4. Step 4: Simplify right side
    36,572.38x = 486,616,362.16
  5. Step 5: Solve for x
    x = 486,616,362.16/36,572.38
  6. Step 6: Final answer
    x = 13,305.57

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Similar ratio
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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.