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Finding the Fourth Proportional to 38,895.58, 53,674.61 and 22,979.69

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Solution

The fourth proportional to 38,895.58, 53,674.61 and 22,979.69 is: 31,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,895.58 : 53,674.61 = 22,979.69 : x
  2. Step 2: Convert to fraction form
    38,895.58/53,674.61 = 22,979.69/x
  3. Step 3: Cross multiply
    38,895.58x = 53,674.61 × 22,979.69
  4. Step 4: Simplify right side
    38,895.58x = 1,233,425,898.67
  5. Step 5: Solve for x
    x = 1,233,425,898.67/38,895.58
  6. Step 6: Final answer
    x = 31,711.21

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