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Finding the Fourth Proportional to 27,696.70, 38,154.74 and 22,029.74

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Solution

The fourth proportional to 27,696.70, 38,154.74 and 22,029.74 is: 30,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696.70 : 38,154.74 = 22,029.74 : x
  2. Step 2: Convert to fraction form
    27,696.70/38,154.74 = 22,029.74/x
  3. Step 3: Cross multiply
    27,696.70x = 38,154.74 × 22,029.74
  4. Step 4: Simplify right side
    27,696.70x = 840,539,001.97
  5. Step 5: Solve for x
    x = 840,539,001.97/27,696.70
  6. Step 6: Final answer
    x = 30,347.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.