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Finding the Fourth Proportional to 9,872.48, 14,809.48 and 3,298.69

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Solution

The fourth proportional to 9,872.48, 14,809.48 and 3,298.69 is: 4,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.48 : 14,809.48 = 3,298.69 : x
  2. Step 2: Convert to fraction form
    9,872.48/14,809.48 = 3,298.69/x
  3. Step 3: Cross multiply
    9,872.48x = 14,809.48 × 3,298.69
  4. Step 4: Simplify right side
    9,872.48x = 48,851,832.17
  5. Step 5: Solve for x
    x = 48,851,832.17/9,872.48
  6. Step 6: Final answer
    x = 4,948.28

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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.