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Finding the Fourth Proportional to 4,356.48, 6,528.48 and 3,378

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Solution

The fourth proportional to 4,356.48, 6,528.48 and 3,378 is: 5,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.48 : 6,528.48 = 3,378 : x
  2. Step 2: Convert to fraction form
    4,356.48/6,528.48 = 3,378/x
  3. Step 3: Cross multiply
    4,356.48x = 6,528.48 × 3,378
  4. Step 4: Simplify right side
    4,356.48x = 22,053,205.44
  5. Step 5: Solve for x
    x = 22,053,205.44/4,356.48
  6. Step 6: Final answer
    x = 5,062.16

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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.