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Finding the Fourth Proportional to 1,159.92, 1,736.12 and 632.12

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Solution

The fourth proportional to 1,159.92, 1,736.12 and 632.12 is: 946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.92 : 1,736.12 = 632.12 : x
  2. Step 2: Convert to fraction form
    1,159.92/1,736.12 = 632.12/x
  3. Step 3: Cross multiply
    1,159.92x = 1,736.12 × 632.12
  4. Step 4: Simplify right side
    1,159.92x = 1,097,436.17
  5. Step 5: Solve for x
    x = 1,097,436.17/1,159.92
  6. Step 6: Final answer
    x = 946.13

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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.