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Finding the Fourth Proportional to 8,589.16, 12,879.74 and 5,032.35

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Solution

The fourth proportional to 8,589.16, 12,879.74 and 5,032.35 is: 7,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.16 : 12,879.74 = 5,032.35 : x
  2. Step 2: Convert to fraction form
    8,589.16/12,879.74 = 5,032.35/x
  3. Step 3: Cross multiply
    8,589.16x = 12,879.74 × 5,032.35
  4. Step 4: Simplify right side
    8,589.16x = 64,815,372.17
  5. Step 5: Solve for x
    x = 64,815,372.17/8,589.16
  6. Step 6: Final answer
    x = 7,546.18

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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.