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Finding the Fourth Proportional to 8,589.04, 12,865.04 and 5,800.38

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Solution

The fourth proportional to 8,589.04, 12,865.04 and 5,800.38 is: 8,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.04 : 12,865.04 = 5,800.38 : x
  2. Step 2: Convert to fraction form
    8,589.04/12,865.04 = 5,800.38/x
  3. Step 3: Cross multiply
    8,589.04x = 12,865.04 × 5,800.38
  4. Step 4: Simplify right side
    8,589.04x = 74,622,120.72
  5. Step 5: Solve for x
    x = 74,622,120.72/8,589.04
  6. Step 6: Final answer
    x = 8,688.06

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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.