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Finding the Fourth Proportional to 1,159.02, 1,737.62 and 573.61

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Solution

The fourth proportional to 1,159.02, 1,737.62 and 573.61 is: 859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.02 : 1,737.62 = 573.61 : x
  2. Step 2: Convert to fraction form
    1,159.02/1,737.62 = 573.61/x
  3. Step 3: Cross multiply
    1,159.02x = 1,737.62 × 573.61
  4. Step 4: Simplify right side
    1,159.02x = 996,716.21
  5. Step 5: Solve for x
    x = 996,716.21/1,159.02
  6. Step 6: Final answer
    x = 859.96

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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.