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Finding the Fourth Proportional to 3,248.29, 4,872.16 and 908.10

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Solution

The fourth proportional to 3,248.29, 4,872.16 and 908.10 is: 1,362.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.29 : 4,872.16 = 908.10 : x
  2. Step 2: Convert to fraction form
    3,248.29/4,872.16 = 908.10/x
  3. Step 3: Cross multiply
    3,248.29x = 4,872.16 × 908.10
  4. Step 4: Simplify right side
    3,248.29x = 4,424,409.63
  5. Step 5: Solve for x
    x = 4,424,409.63/3,248.29
  6. Step 6: Final answer
    x = 1,362.07

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1.5x scale

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.