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Finding the Fourth Proportional to 27,692,806.88, 41,540,981.79 and 10,653,479.82

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Solution

The fourth proportional to 27,692,806.88, 41,540,981.79 and 10,653,479.82 is: 15,980,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692,806.88 : 41,540,981.79 = 10,653,479.82 : x
  2. Step 2: Convert to fraction form
    27,692,806.88/41,540,981.79 = 10,653,479.82/x
  3. Step 3: Cross multiply
    27,692,806.88x = 41,540,981.79 × 10,653,479.82
  4. Step 4: Simplify right side
    27,692,806.88x = 442,556,011,202,752.50
  5. Step 5: Solve for x
    x = 442,556,011,202,752.50/27,692,806.88
  6. Step 6: Final answer
    x = 15,980,901.22

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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.