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Finding the Fourth Proportional to 2,370.52, 3,552.84 and 983

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Solution

The fourth proportional to 2,370.52, 3,552.84 and 983 is: 1,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.52 : 3,552.84 = 983 : x
  2. Step 2: Convert to fraction form
    2,370.52/3,552.84 = 983/x
  3. Step 3: Cross multiply
    2,370.52x = 3,552.84 × 983
  4. Step 4: Simplify right side
    2,370.52x = 3,492,441.72
  5. Step 5: Solve for x
    x = 3,492,441.72/2,370.52
  6. Step 6: Final answer
    x = 1,473.28

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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.