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Finding the Fourth Proportional to 3,923,896.05, 5,480,857.35 and 3,923,896.05

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Solution

The fourth proportional to 3,923,896.05, 5,480,857.35 and 3,923,896.05 is: 5,480,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923,896.05 : 5,480,857.35 = 3,923,896.05 : x
  2. Step 2: Convert to fraction form
    3,923,896.05/5,480,857.35 = 3,923,896.05/x
  3. Step 3: Cross multiply
    3,923,896.05x = 5,480,857.35 × 3,923,896.05
  4. Step 4: Simplify right side
    3,923,896.05x = 21,506,314,506,278.46
  5. Step 5: Solve for x
    x = 21,506,314,506,278.46/3,923,896.05
  6. Step 6: Final answer
    x = 5,480,857.35

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.