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Finding the Fourth Proportional to 2,908.53, 4,017.03 and 2,253.30

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Solution

The fourth proportional to 2,908.53, 4,017.03 and 2,253.30 is: 3,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.53 : 4,017.03 = 2,253.30 : x
  2. Step 2: Convert to fraction form
    2,908.53/4,017.03 = 2,253.30/x
  3. Step 3: Cross multiply
    2,908.53x = 4,017.03 × 2,253.30
  4. Step 4: Simplify right side
    2,908.53x = 9,051,573.70
  5. Step 5: Solve for x
    x = 9,051,573.70/2,908.53
  6. Step 6: Final answer
    x = 3,112.08

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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.