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Finding the Fourth Proportional to 1,159.84, 1,741.92 and 1,063.36

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Solution

The fourth proportional to 1,159.84, 1,741.92 and 1,063.36 is: 1,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.84 : 1,741.92 = 1,063.36 : x
  2. Step 2: Convert to fraction form
    1,159.84/1,741.92 = 1,063.36/x
  3. Step 3: Cross multiply
    1,159.84x = 1,741.92 × 1,063.36
  4. Step 4: Simplify right side
    1,159.84x = 1,852,288.05
  5. Step 5: Solve for x
    x = 1,852,288.05/1,159.84
  6. Step 6: Final answer
    x = 1,597.02

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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.