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Finding the Fourth Proportional to 3,551.16, 4,900.32 and 1,957.72

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Solution

The fourth proportional to 3,551.16, 4,900.32 and 1,957.72 is: 2,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.16 : 4,900.32 = 1,957.72 : x
  2. Step 2: Convert to fraction form
    3,551.16/4,900.32 = 1,957.72/x
  3. Step 3: Cross multiply
    3,551.16x = 4,900.32 × 1,957.72
  4. Step 4: Simplify right side
    3,551.16x = 9,593,454.47
  5. Step 5: Solve for x
    x = 9,593,454.47/3,551.16
  6. Step 6: Final answer
    x = 2,701.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.