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Finding the Fourth Proportional to 3,974,094.90, 5,961,919.95 and 1,699,614.90

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Solution

The fourth proportional to 3,974,094.90, 5,961,919.95 and 1,699,614.90 is: 2,549,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,094.90 : 5,961,919.95 = 1,699,614.90 : x
  2. Step 2: Convert to fraction form
    3,974,094.90/5,961,919.95 = 1,699,614.90/x
  3. Step 3: Cross multiply
    3,974,094.90x = 5,961,919.95 × 1,699,614.90
  4. Step 4: Simplify right side
    3,974,094.90x = 10,132,967,979,627.25
  5. Step 5: Solve for x
    x = 10,132,967,979,627.25/3,974,094.90
  6. Step 6: Final answer
    x = 2,549,754.91

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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.