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Finding the Fourth Proportional to 40,363, 55,701 and 22,699

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Solution

The fourth proportional to 40,363, 55,701 and 22,699 is: 31,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,363 : 55,701 = 22,699 : x
  2. Step 2: Convert to fraction form
    40,363/55,701 = 22,699/x
  3. Step 3: Cross multiply
    40,363x = 55,701 × 22,699
  4. Step 4: Simplify right side
    40,363x = 1,264,356,999
  5. Step 5: Solve for x
    x = 1,264,356,999/40,363
  6. Step 6: Final answer
    x = 31,324.65

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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.