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Finding the Fourth Proportional to 15,601.28, 23,412 and 6,368

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Solution

The fourth proportional to 15,601.28, 23,412 and 6,368 is: 9,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.28 : 23,412 = 6,368 : x
  2. Step 2: Convert to fraction form
    15,601.28/23,412 = 6,368/x
  3. Step 3: Cross multiply
    15,601.28x = 23,412 × 6,368
  4. Step 4: Simplify right side
    15,601.28x = 149,087,616
  5. Step 5: Solve for x
    x = 149,087,616/15,601.28
  6. Step 6: Final answer
    x = 9,556.11

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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.