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Finding the Fourth Proportional to 3,338.12, 5,007.18 and 1,802.12

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Solution

The fourth proportional to 3,338.12, 5,007.18 and 1,802.12 is: 2,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.12 : 5,007.18 = 1,802.12 : x
  2. Step 2: Convert to fraction form
    3,338.12/5,007.18 = 1,802.12/x
  3. Step 3: Cross multiply
    3,338.12x = 5,007.18 × 1,802.12
  4. Step 4: Simplify right side
    3,338.12x = 9,023,539.22
  5. Step 5: Solve for x
    x = 9,023,539.22/3,338.12
  6. Step 6: Final answer
    x = 2,703.18

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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.