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Finding the Fourth Proportional to 1,526.90, 2,107.15 and 937.22

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Solution

The fourth proportional to 1,526.90, 2,107.15 and 937.22 is: 1,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.90 : 2,107.15 = 937.22 : x
  2. Step 2: Convert to fraction form
    1,526.90/2,107.15 = 937.22/x
  3. Step 3: Cross multiply
    1,526.90x = 2,107.15 × 937.22
  4. Step 4: Simplify right side
    1,526.90x = 1,974,850.24
  5. Step 5: Solve for x
    x = 1,974,850.24/1,526.90
  6. Step 6: Final answer
    x = 1,293.38

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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.