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Finding the Fourth Proportional to 7,798.08, 10,760.96 and 5,711.04

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Solution

The fourth proportional to 7,798.08, 10,760.96 and 5,711.04 is: 7,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.08 : 10,760.96 = 5,711.04 : x
  2. Step 2: Convert to fraction form
    7,798.08/10,760.96 = 5,711.04/x
  3. Step 3: Cross multiply
    7,798.08x = 10,760.96 × 5,711.04
  4. Step 4: Simplify right side
    7,798.08x = 61,456,273.00
  5. Step 5: Solve for x
    x = 61,456,273.00/7,798.08
  6. Step 6: Final answer
    x = 7,880.95

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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.