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Finding the Fourth Proportional to 9,008.50, 13,514.91 and 2,852.50

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Solution

The fourth proportional to 9,008.50, 13,514.91 and 2,852.50 is: 4,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.50 : 13,514.91 = 2,852.50 : x
  2. Step 2: Convert to fraction form
    9,008.50/13,514.91 = 2,852.50/x
  3. Step 3: Cross multiply
    9,008.50x = 13,514.91 × 2,852.50
  4. Step 4: Simplify right side
    9,008.50x = 38,551,280.78
  5. Step 5: Solve for x
    x = 38,551,280.78/9,008.50
  6. Step 6: Final answer
    x = 4,279.43

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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.