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Finding the Fourth Proportional to 23,360.85, 35,045.90 and 8,569.90

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Solution

The fourth proportional to 23,360.85, 35,045.90 and 8,569.90 is: 12,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,360.85 : 35,045.90 = 8,569.90 : x
  2. Step 2: Convert to fraction form
    23,360.85/35,045.90 = 8,569.90/x
  3. Step 3: Cross multiply
    23,360.85x = 35,045.90 × 8,569.90
  4. Step 4: Simplify right side
    23,360.85x = 300,339,858.41
  5. Step 5: Solve for x
    x = 300,339,858.41/23,360.85
  6. Step 6: Final answer
    x = 12,856.55

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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.