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Finding the Fourth Proportional to 1,132.88, 1,698.72 and 584.84

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Solution

The fourth proportional to 1,132.88, 1,698.72 and 584.84 is: 876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.88 : 1,698.72 = 584.84 : x
  2. Step 2: Convert to fraction form
    1,132.88/1,698.72 = 584.84/x
  3. Step 3: Cross multiply
    1,132.88x = 1,698.72 × 584.84
  4. Step 4: Simplify right side
    1,132.88x = 993,479.40
  5. Step 5: Solve for x
    x = 993,479.40/1,132.88
  6. Step 6: Final answer
    x = 876.95

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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.