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Finding the Fourth Proportional to 1,354.90, 1,868.99 and 795.26

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Solution

The fourth proportional to 1,354.90, 1,868.99 and 795.26 is: 1,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.90 : 1,868.99 = 795.26 : x
  2. Step 2: Convert to fraction form
    1,354.90/1,868.99 = 795.26/x
  3. Step 3: Cross multiply
    1,354.90x = 1,868.99 × 795.26
  4. Step 4: Simplify right side
    1,354.90x = 1,486,340.66
  5. Step 5: Solve for x
    x = 1,486,340.66/1,354.90
  6. Step 6: Final answer
    x = 1,097.01

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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.