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Finding the Fourth Proportional to 27,976.51, 41,970.53 and 8,253.19

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Solution

The fourth proportional to 27,976.51, 41,970.53 and 8,253.19 is: 12,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,976.51 : 41,970.53 = 8,253.19 : x
  2. Step 2: Convert to fraction form
    27,976.51/41,970.53 = 8,253.19/x
  3. Step 3: Cross multiply
    27,976.51x = 41,970.53 × 8,253.19
  4. Step 4: Simplify right side
    27,976.51x = 346,390,717.22
  5. Step 5: Solve for x
    x = 346,390,717.22/27,976.51
  6. Step 6: Final answer
    x = 12,381.48

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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.