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Finding the Fourth Proportional to 2,223.12, 3,069.12 and 1,750.08

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Solution

The fourth proportional to 2,223.12, 3,069.12 and 1,750.08 is: 2,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.12 : 3,069.12 = 1,750.08 : x
  2. Step 2: Convert to fraction form
    2,223.12/3,069.12 = 1,750.08/x
  3. Step 3: Cross multiply
    2,223.12x = 3,069.12 × 1,750.08
  4. Step 4: Simplify right side
    2,223.12x = 5,371,205.53
  5. Step 5: Solve for x
    x = 5,371,205.53/2,223.12
  6. Step 6: Final answer
    x = 2,416.07

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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.