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Finding the Fourth Proportional to 1,583.88, 2,377.08 and 935.16

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Solution

The fourth proportional to 1,583.88, 2,377.08 and 935.16 is: 1,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.88 : 2,377.08 = 935.16 : x
  2. Step 2: Convert to fraction form
    1,583.88/2,377.08 = 935.16/x
  3. Step 3: Cross multiply
    1,583.88x = 2,377.08 × 935.16
  4. Step 4: Simplify right side
    1,583.88x = 2,222,950.13
  5. Step 5: Solve for x
    x = 2,222,950.13/1,583.88
  6. Step 6: Final answer
    x = 1,403.48

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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.