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Finding the Fourth Proportional to 1,159.55, 1,736.88 and 833.93

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Solution

The fourth proportional to 1,159.55, 1,736.88 and 833.93 is: 1,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.55 : 1,736.88 = 833.93 : x
  2. Step 2: Convert to fraction form
    1,159.55/1,736.88 = 833.93/x
  3. Step 3: Cross multiply
    1,159.55x = 1,736.88 × 833.93
  4. Step 4: Simplify right side
    1,159.55x = 1,448,427.65
  5. Step 5: Solve for x
    x = 1,448,427.65/1,159.55
  6. Step 6: Final answer
    x = 1,249.13

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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.