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Finding the Fourth Proportional to 2,347.52, 3,519.12 and 2,153.12

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Solution

The fourth proportional to 2,347.52, 3,519.12 and 2,153.12 is: 3,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.52 : 3,519.12 = 2,153.12 : x
  2. Step 2: Convert to fraction form
    2,347.52/3,519.12 = 2,153.12/x
  3. Step 3: Cross multiply
    2,347.52x = 3,519.12 × 2,153.12
  4. Step 4: Simplify right side
    2,347.52x = 7,577,087.65
  5. Step 5: Solve for x
    x = 7,577,087.65/2,347.52
  6. Step 6: Final answer
    x = 3,227.70

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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.