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Finding the Fourth Proportional to 19,081.68, 26,332.92 and 10,698

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Solution

The fourth proportional to 19,081.68, 26,332.92 and 10,698 is: 14,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.68 : 26,332.92 = 10,698 : x
  2. Step 2: Convert to fraction form
    19,081.68/26,332.92 = 10,698/x
  3. Step 3: Cross multiply
    19,081.68x = 26,332.92 × 10,698
  4. Step 4: Simplify right side
    19,081.68x = 281,709,578.16
  5. Step 5: Solve for x
    x = 281,709,578.16/19,081.68
  6. Step 6: Final answer
    x = 14,763.35

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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.