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Finding the Fourth Proportional to 4,965.58, 7,437.88 and 3,398.22

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Solution

The fourth proportional to 4,965.58, 7,437.88 and 3,398.22 is: 5,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.58 : 7,437.88 = 3,398.22 : x
  2. Step 2: Convert to fraction form
    4,965.58/7,437.88 = 3,398.22/x
  3. Step 3: Cross multiply
    4,965.58x = 7,437.88 × 3,398.22
  4. Step 4: Simplify right side
    4,965.58x = 25,275,552.57
  5. Step 5: Solve for x
    x = 25,275,552.57/4,965.58
  6. Step 6: Final answer
    x = 5,090.15

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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.