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Finding the Fourth Proportional to 5,248.48, 7,249.06 and 3,477

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Solution

The fourth proportional to 5,248.48, 7,249.06 and 3,477 is: 4,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.48 : 7,249.06 = 3,477 : x
  2. Step 2: Convert to fraction form
    5,248.48/7,249.06 = 3,477/x
  3. Step 3: Cross multiply
    5,248.48x = 7,249.06 × 3,477
  4. Step 4: Simplify right side
    5,248.48x = 25,204,981.62
  5. Step 5: Solve for x
    x = 25,204,981.62/5,248.48
  6. Step 6: Final answer
    x = 4,802.34

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1.5x scale

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.