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Finding the Fourth Proportional to 1,133.73, 1,700.93 and 586.31

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Solution

The fourth proportional to 1,133.73, 1,700.93 and 586.31 is: 879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.73 : 1,700.93 = 586.31 : x
  2. Step 2: Convert to fraction form
    1,133.73/1,700.93 = 586.31/x
  3. Step 3: Cross multiply
    1,133.73x = 1,700.93 × 586.31
  4. Step 4: Simplify right side
    1,133.73x = 997,265.23
  5. Step 5: Solve for x
    x = 997,265.23/1,133.73
  6. Step 6: Final answer
    x = 879.63

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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.