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Finding the Fourth Proportional to 23,698.42, 32,666.03 and 18,654.65

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Solution

The fourth proportional to 23,698.42, 32,666.03 and 18,654.65 is: 25,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,698.42 : 32,666.03 = 18,654.65 : x
  2. Step 2: Convert to fraction form
    23,698.42/32,666.03 = 18,654.65/x
  3. Step 3: Cross multiply
    23,698.42x = 32,666.03 × 18,654.65
  4. Step 4: Simplify right side
    23,698.42x = 609,373,581.07
  5. Step 5: Solve for x
    x = 609,373,581.07/23,698.42
  6. Step 6: Final answer
    x = 25,713.68

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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.