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Finding the Fourth Proportional to 1,347.82, 2,022.48 and 526.14

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Solution

The fourth proportional to 1,347.82, 2,022.48 and 526.14 is: 789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.82 : 2,022.48 = 526.14 : x
  2. Step 2: Convert to fraction form
    1,347.82/2,022.48 = 526.14/x
  3. Step 3: Cross multiply
    1,347.82x = 2,022.48 × 526.14
  4. Step 4: Simplify right side
    1,347.82x = 1,064,107.63
  5. Step 5: Solve for x
    x = 1,064,107.63/1,347.82
  6. Step 6: Final answer
    x = 789.50

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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.