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Finding the Fourth Proportional to 24,880, 37,320.72 and 6,412

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Solution

The fourth proportional to 24,880, 37,320.72 and 6,412 is: 9,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,880 : 37,320.72 = 6,412 : x
  2. Step 2: Convert to fraction form
    24,880/37,320.72 = 6,412/x
  3. Step 3: Cross multiply
    24,880x = 37,320.72 × 6,412
  4. Step 4: Simplify right side
    24,880x = 239,300,456.64
  5. Step 5: Solve for x
    x = 239,300,456.64/24,880
  6. Step 6: Final answer
    x = 9,618.19

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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.