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Finding the Fourth Proportional to 1,497.50, 2,066.50 and 834.34

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Solution

The fourth proportional to 1,497.50, 2,066.50 and 834.34 is: 1,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.50 : 2,066.50 = 834.34 : x
  2. Step 2: Convert to fraction form
    1,497.50/2,066.50 = 834.34/x
  3. Step 3: Cross multiply
    1,497.50x = 2,066.50 × 834.34
  4. Step 4: Simplify right side
    1,497.50x = 1,724,163.61
  5. Step 5: Solve for x
    x = 1,724,163.61/1,497.50
  6. Step 6: Final answer
    x = 1,151.36

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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.