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Finding the Fourth Proportional to 5,025.48, 6,935.12 and 2,787.48

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Solution

The fourth proportional to 5,025.48, 6,935.12 and 2,787.48 is: 3,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.48 : 6,935.12 = 2,787.48 : x
  2. Step 2: Convert to fraction form
    5,025.48/6,935.12 = 2,787.48/x
  3. Step 3: Cross multiply
    5,025.48x = 6,935.12 × 2,787.48
  4. Step 4: Simplify right side
    5,025.48x = 19,331,508.30
  5. Step 5: Solve for x
    x = 19,331,508.30/5,025.48
  6. Step 6: Final answer
    x = 3,846.70

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1.5x scale

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.