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Finding the Fourth Proportional to 14,853, 22,279.55 and 5,619

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Solution

The fourth proportional to 14,853, 22,279.55 and 5,619 is: 8,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853 : 22,279.55 = 5,619 : x
  2. Step 2: Convert to fraction form
    14,853/22,279.55 = 5,619/x
  3. Step 3: Cross multiply
    14,853x = 22,279.55 × 5,619
  4. Step 4: Simplify right side
    14,853x = 125,188,763.36
  5. Step 5: Solve for x
    x = 125,188,763.36/14,853
  6. Step 6: Final answer
    x = 8,428.52

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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.