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Finding the Fourth Proportional to 4,871,804.88, 6,723,105.12 and 2,696,499.12

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Solution

The fourth proportional to 4,871,804.88, 6,723,105.12 and 2,696,499.12 is: 3,721,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871,804.88 : 6,723,105.12 = 2,696,499.12 : x
  2. Step 2: Convert to fraction form
    4,871,804.88/6,723,105.12 = 2,696,499.12/x
  3. Step 3: Cross multiply
    4,871,804.88x = 6,723,105.12 × 2,696,499.12
  4. Step 4: Simplify right side
    4,871,804.88x = 18,128,847,039,747.50
  5. Step 5: Solve for x
    x = 18,128,847,039,747.50/4,871,804.88
  6. Step 6: Final answer
    x = 3,721,176.75

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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.