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Finding the Fourth Proportional to 18,807.62, 26,073.34 and 17,808.92

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Solution

The fourth proportional to 18,807.62, 26,073.34 and 17,808.92 is: 24,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.62 : 26,073.34 = 17,808.92 : x
  2. Step 2: Convert to fraction form
    18,807.62/26,073.34 = 17,808.92/x
  3. Step 3: Cross multiply
    18,807.62x = 26,073.34 × 17,808.92
  4. Step 4: Simplify right side
    18,807.62x = 464,337,937.15
  5. Step 5: Solve for x
    x = 464,337,937.15/18,807.62
  6. Step 6: Final answer
    x = 24,688.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.