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Finding the Fourth Proportional to 17,937.40, 26,853.48 and 12,582.01

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Solution

The fourth proportional to 17,937.40, 26,853.48 and 12,582.01 is: 18,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.40 : 26,853.48 = 12,582.01 : x
  2. Step 2: Convert to fraction form
    17,937.40/26,853.48 = 12,582.01/x
  3. Step 3: Cross multiply
    17,937.40x = 26,853.48 × 12,582.01
  4. Step 4: Simplify right side
    17,937.40x = 337,870,753.89
  5. Step 5: Solve for x
    x = 337,870,753.89/17,937.40
  6. Step 6: Final answer
    x = 18,836.11

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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.