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Finding the Fourth Proportional to 5,648,919, 7,799,261.97 and 4,339,839.57

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Solution

The fourth proportional to 5,648,919, 7,799,261.97 and 4,339,839.57 is: 5,991,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648,919 : 7,799,261.97 = 4,339,839.57 : x
  2. Step 2: Convert to fraction form
    5,648,919/7,799,261.97 = 4,339,839.57/x
  3. Step 3: Cross multiply
    5,648,919x = 7,799,261.97 × 4,339,839.57
  4. Step 4: Simplify right side
    5,648,919x = 33,847,545,714,202.15
  5. Step 5: Solve for x
    x = 33,847,545,714,202.15/5,648,919
  6. Step 6: Final answer
    x = 5,991,862.46

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1.5x scale

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.