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Finding the Fourth Proportional to 27,700.58, 38,229.81 and 17,089.94

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Solution

The fourth proportional to 27,700.58, 38,229.81 and 17,089.94 is: 23,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.58 : 38,229.81 = 17,089.94 : x
  2. Step 2: Convert to fraction form
    27,700.58/38,229.81 = 17,089.94/x
  3. Step 3: Cross multiply
    27,700.58x = 38,229.81 × 17,089.94
  4. Step 4: Simplify right side
    27,700.58x = 653,345,159.11
  5. Step 5: Solve for x
    x = 653,345,159.11/27,700.58
  6. Step 6: Final answer
    x = 23,585.97

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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.