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Finding the Fourth Proportional to 7,799.86, 10,763.81 and 4,263.07

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Solution

The fourth proportional to 7,799.86, 10,763.81 and 4,263.07 is: 5,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.86 : 10,763.81 = 4,263.07 : x
  2. Step 2: Convert to fraction form
    7,799.86/10,763.81 = 4,263.07/x
  3. Step 3: Cross multiply
    7,799.86x = 10,763.81 × 4,263.07
  4. Step 4: Simplify right side
    7,799.86x = 45,886,875.50
  5. Step 5: Solve for x
    x = 45,886,875.50/7,799.86
  6. Step 6: Final answer
    x = 5,883.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.