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Finding the Fourth Proportional to 8,854.72, 13,279.44 and 3,010

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Solution

The fourth proportional to 8,854.72, 13,279.44 and 3,010 is: 4,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.72 : 13,279.44 = 3,010 : x
  2. Step 2: Convert to fraction form
    8,854.72/13,279.44 = 3,010/x
  3. Step 3: Cross multiply
    8,854.72x = 13,279.44 × 3,010
  4. Step 4: Simplify right side
    8,854.72x = 39,971,114.40
  5. Step 5: Solve for x
    x = 39,971,114.40/8,854.72
  6. Step 6: Final answer
    x = 4,514.10

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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.