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Finding the Fourth Proportional to 23,698, 35,363.17 and 20,548.72

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Solution

The fourth proportional to 23,698, 35,363.17 and 20,548.72 is: 30,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,698 : 35,363.17 = 20,548.72 : x
  2. Step 2: Convert to fraction form
    23,698/35,363.17 = 20,548.72/x
  3. Step 3: Cross multiply
    23,698x = 35,363.17 × 20,548.72
  4. Step 4: Simplify right side
    23,698x = 726,667,878.64
  5. Step 5: Solve for x
    x = 726,667,878.64/23,698
  6. Step 6: Final answer
    x = 30,663.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.