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Finding the Fourth Proportional to 7,798.68, 10,763.39 and 4,967.27

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Solution

The fourth proportional to 7,798.68, 10,763.39 and 4,967.27 is: 6,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.68 : 10,763.39 = 4,967.27 : x
  2. Step 2: Convert to fraction form
    7,798.68/10,763.39 = 4,967.27/x
  3. Step 3: Cross multiply
    7,798.68x = 10,763.39 × 4,967.27
  4. Step 4: Simplify right side
    7,798.68x = 53,464,639.41
  5. Step 5: Solve for x
    x = 53,464,639.41/7,798.68
  6. Step 6: Final answer
    x = 6,855.61

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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.