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Finding the Fourth Proportional to 3,600,854.04, 4,968,697.44 and 1,991,325.72

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Solution

The fourth proportional to 3,600,854.04, 4,968,697.44 and 1,991,325.72 is: 2,747,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600,854.04 : 4,968,697.44 = 1,991,325.72 : x
  2. Step 2: Convert to fraction form
    3,600,854.04/4,968,697.44 = 1,991,325.72/x
  3. Step 3: Cross multiply
    3,600,854.04x = 4,968,697.44 × 1,991,325.72
  4. Step 4: Simplify right side
    3,600,854.04x = 9,894,295,007,170.16
  5. Step 5: Solve for x
    x = 9,894,295,007,170.16/3,600,854.04
  6. Step 6: Final answer
    x = 2,747,763.42

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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.