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Finding the Fourth Proportional to 38,894.41, 53,674.97 and 22,978.82

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Solution

The fourth proportional to 38,894.41, 53,674.97 and 22,978.82 is: 31,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,894.41 : 53,674.97 = 22,978.82 : x
  2. Step 2: Convert to fraction form
    38,894.41/53,674.97 = 22,978.82/x
  3. Step 3: Cross multiply
    38,894.41x = 53,674.97 × 22,978.82
  4. Step 4: Simplify right side
    38,894.41x = 1,233,387,622.68
  5. Step 5: Solve for x
    x = 1,233,387,622.68/38,894.41
  6. Step 6: Final answer
    x = 31,711.18

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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.