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Finding the Fourth Proportional to 3,876,073.07, 5,348,980.90 and 2,157,599.54

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Solution

The fourth proportional to 3,876,073.07, 5,348,980.90 and 2,157,599.54 is: 2,977,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,073.07 : 5,348,980.90 = 2,157,599.54 : x
  2. Step 2: Convert to fraction form
    3,876,073.07/5,348,980.90 = 2,157,599.54/x
  3. Step 3: Cross multiply
    3,876,073.07x = 5,348,980.90 × 2,157,599.54
  4. Step 4: Simplify right side
    3,876,073.07x = 11,540,958,745,378.24
  5. Step 5: Solve for x
    x = 11,540,958,745,378.24/3,876,073.07
  6. Step 6: Final answer
    x = 2,977,487.41

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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.