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Finding the Fourth Proportional to 5,954,712.60, 8,932,068.90 and 3,428,290.20

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Solution

The fourth proportional to 5,954,712.60, 8,932,068.90 and 3,428,290.20 is: 5,142,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,954,712.60 : 8,932,068.90 = 3,428,290.20 : x
  2. Step 2: Convert to fraction form
    5,954,712.60/8,932,068.90 = 3,428,290.20/x
  3. Step 3: Cross multiply
    5,954,712.60x = 8,932,068.90 × 3,428,290.20
  4. Step 4: Simplify right side
    5,954,712.60x = 30,621,724,275,594.78
  5. Step 5: Solve for x
    x = 30,621,724,275,594.78/5,954,712.60
  6. Step 6: Final answer
    x = 5,142,435.30

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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.