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Finding the Fourth Proportional to 7,798.08, 10,763.92 and 6,207.65

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Solution

The fourth proportional to 7,798.08, 10,763.92 and 6,207.65 is: 8,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.08 : 10,763.92 = 6,207.65 : x
  2. Step 2: Convert to fraction form
    7,798.08/10,763.92 = 6,207.65/x
  3. Step 3: Cross multiply
    7,798.08x = 10,763.92 × 6,207.65
  4. Step 4: Simplify right side
    7,798.08x = 66,818,647.99
  5. Step 5: Solve for x
    x = 66,818,647.99/7,798.08
  6. Step 6: Final answer
    x = 8,568.60

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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.