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Finding the Fourth Proportional to 1,097.52, 1,512.98 and 835.08

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Solution

The fourth proportional to 1,097.52, 1,512.98 and 835.08 is: 1,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.52 : 1,512.98 = 835.08 : x
  2. Step 2: Convert to fraction form
    1,097.52/1,512.98 = 835.08/x
  3. Step 3: Cross multiply
    1,097.52x = 1,512.98 × 835.08
  4. Step 4: Simplify right side
    1,097.52x = 1,263,455.16
  5. Step 5: Solve for x
    x = 1,263,455.16/1,097.52
  6. Step 6: Final answer
    x = 1,151.19

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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.