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Finding the Fourth Proportional to 12,001.48, 17,998.94 and 6,159.76

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Solution

The fourth proportional to 12,001.48, 17,998.94 and 6,159.76 is: 9,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.48 : 17,998.94 = 6,159.76 : x
  2. Step 2: Convert to fraction form
    12,001.48/17,998.94 = 6,159.76/x
  3. Step 3: Cross multiply
    12,001.48x = 17,998.94 × 6,159.76
  4. Step 4: Simplify right side
    12,001.48x = 110,869,150.65
  5. Step 5: Solve for x
    x = 110,869,150.65/12,001.48
  6. Step 6: Final answer
    x = 9,237.96

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1.5x scale

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.