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Finding the Fourth Proportional to 38,841.84, 53,602.92 and 22,939.92

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Solution

The fourth proportional to 38,841.84, 53,602.92 and 22,939.92 is: 31,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,841.84 : 53,602.92 = 22,939.92 : x
  2. Step 2: Convert to fraction form
    38,841.84/53,602.92 = 22,939.92/x
  3. Step 3: Cross multiply
    38,841.84x = 53,602.92 × 22,939.92
  4. Step 4: Simplify right side
    38,841.84x = 1,229,646,696.57
  5. Step 5: Solve for x
    x = 1,229,646,696.57/38,841.84
  6. Step 6: Final answer
    x = 31,657.79

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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.