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Finding the Fourth Proportional to 7,799.92, 10,763.74 and 4,263.16

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Solution

The fourth proportional to 7,799.92, 10,763.74 and 4,263.16 is: 5,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.92 : 10,763.74 = 4,263.16 : x
  2. Step 2: Convert to fraction form
    7,799.92/10,763.74 = 4,263.16/x
  3. Step 3: Cross multiply
    7,799.92x = 10,763.74 × 4,263.16
  4. Step 4: Simplify right side
    7,799.92x = 45,887,524.50
  5. Step 5: Solve for x
    x = 45,887,524.50/7,799.92
  6. Step 6: Final answer
    x = 5,883.07

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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.