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Finding the Fourth Proportional to 19,313, 26,652.26 and 10,481

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Solution

The fourth proportional to 19,313, 26,652.26 and 10,481 is: 14,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313 : 26,652.26 = 10,481 : x
  2. Step 2: Convert to fraction form
    19,313/26,652.26 = 10,481/x
  3. Step 3: Cross multiply
    19,313x = 26,652.26 × 10,481
  4. Step 4: Simplify right side
    19,313x = 279,342,337.06
  5. Step 5: Solve for x
    x = 279,342,337.06/19,313
  6. Step 6: Final answer
    x = 14,463.95

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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.