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Finding the Fourth Proportional to 9,398.99, 14,100.08 and 3,159.61

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Solution

The fourth proportional to 9,398.99, 14,100.08 and 3,159.61 is: 4,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,398.99 : 14,100.08 = 3,159.61 : x
  2. Step 2: Convert to fraction form
    9,398.99/14,100.08 = 3,159.61/x
  3. Step 3: Cross multiply
    9,398.99x = 14,100.08 × 3,159.61
  4. Step 4: Simplify right side
    9,398.99x = 44,550,702.72
  5. Step 5: Solve for x
    x = 44,550,702.72/9,398.99
  6. Step 6: Final answer
    x = 4,739.94

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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.