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Finding the Fourth Proportional to 60,796, 91,194.41 and 19,243

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Solution

The fourth proportional to 60,796, 91,194.41 and 19,243 is: 28,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,796 : 91,194.41 = 19,243 : x
  2. Step 2: Convert to fraction form
    60,796/91,194.41 = 19,243/x
  3. Step 3: Cross multiply
    60,796x = 91,194.41 × 19,243
  4. Step 4: Simplify right side
    60,796x = 1,754,854,031.63
  5. Step 5: Solve for x
    x = 1,754,854,031.63/60,796
  6. Step 6: Final answer
    x = 28,864.63

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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.