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Finding the Fourth Proportional to 7,787.08, 10,735.04 and 4,800.92

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Solution

The fourth proportional to 7,787.08, 10,735.04 and 4,800.92 is: 6,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.08 : 10,735.04 = 4,800.92 : x
  2. Step 2: Convert to fraction form
    7,787.08/10,735.04 = 4,800.92/x
  3. Step 3: Cross multiply
    7,787.08x = 10,735.04 × 4,800.92
  4. Step 4: Simplify right side
    7,787.08x = 51,538,044.23
  5. Step 5: Solve for x
    x = 51,538,044.23/7,787.08
  6. Step 6: Final answer
    x = 6,618.41

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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.