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Finding the Fourth Proportional to 8,584.85, 12,877.34 and 3,038.22

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Solution

The fourth proportional to 8,584.85, 12,877.34 and 3,038.22 is: 4,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.85 : 12,877.34 = 3,038.22 : x
  2. Step 2: Convert to fraction form
    8,584.85/12,877.34 = 3,038.22/x
  3. Step 3: Cross multiply
    8,584.85x = 12,877.34 × 3,038.22
  4. Step 4: Simplify right side
    8,584.85x = 39,124,176.74
  5. Step 5: Solve for x
    x = 39,124,176.74/8,584.85
  6. Step 6: Final answer
    x = 4,557.35

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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.