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Finding the Fourth Proportional to 1,347.95, 2,022.83 and 482.25

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Solution

The fourth proportional to 1,347.95, 2,022.83 and 482.25 is: 723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.95 : 2,022.83 = 482.25 : x
  2. Step 2: Convert to fraction form
    1,347.95/2,022.83 = 482.25/x
  3. Step 3: Cross multiply
    1,347.95x = 2,022.83 × 482.25
  4. Step 4: Simplify right side
    1,347.95x = 975,507.36
  5. Step 5: Solve for x
    x = 975,507.36/1,347.95
  6. Step 6: Final answer
    x = 723.70

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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.