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Finding the Fourth Proportional to 18,521.65, 27,798.04 and 17,353.93

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Solution

The fourth proportional to 18,521.65, 27,798.04 and 17,353.93 is: 26,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.65 : 27,798.04 = 17,353.93 : x
  2. Step 2: Convert to fraction form
    18,521.65/27,798.04 = 17,353.93/x
  3. Step 3: Cross multiply
    18,521.65x = 27,798.04 × 17,353.93
  4. Step 4: Simplify right side
    18,521.65x = 482,405,101.31
  5. Step 5: Solve for x
    x = 482,405,101.31/18,521.65
  6. Step 6: Final answer
    x = 26,045.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.