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Finding the Fourth Proportional to 1,132.57, 1,697.68 and 583.53

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Solution

The fourth proportional to 1,132.57, 1,697.68 and 583.53 is: 874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.57 : 1,697.68 = 583.53 : x
  2. Step 2: Convert to fraction form
    1,132.57/1,697.68 = 583.53/x
  3. Step 3: Cross multiply
    1,132.57x = 1,697.68 × 583.53
  4. Step 4: Simplify right side
    1,132.57x = 990,647.21
  5. Step 5: Solve for x
    x = 990,647.21/1,132.57
  6. Step 6: Final answer
    x = 874.69

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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.