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Finding the Fourth Proportional to 29,313, 40,453.38 and 16,065

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Solution

The fourth proportional to 29,313, 40,453.38 and 16,065 is: 22,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313 : 40,453.38 = 16,065 : x
  2. Step 2: Convert to fraction form
    29,313/40,453.38 = 16,065/x
  3. Step 3: Cross multiply
    29,313x = 40,453.38 × 16,065
  4. Step 4: Simplify right side
    29,313x = 649,883,549.70
  5. Step 5: Solve for x
    x = 649,883,549.70/29,313
  6. Step 6: Final answer
    x = 22,170.49

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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.