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Finding the Fourth Proportional to 5,202,581.64, 7,806,728.64 and 2,644,017.26

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Solution

The fourth proportional to 5,202,581.64, 7,806,728.64 and 2,644,017.26 is: 3,967,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202,581.64 : 7,806,728.64 = 2,644,017.26 : x
  2. Step 2: Convert to fraction form
    5,202,581.64/7,806,728.64 = 2,644,017.26/x
  3. Step 3: Cross multiply
    5,202,581.64x = 7,806,728.64 × 2,644,017.26
  4. Step 4: Simplify right side
    5,202,581.64x = 20,641,125,268,296.32
  5. Step 5: Solve for x
    x = 20,641,125,268,296.32/5,202,581.64
  6. Step 6: Final answer
    x = 3,967,477.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.