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Finding the Fourth Proportional to 5,391,954.05, 8,091,948.05 and 3,956,347.16

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Solution

The fourth proportional to 5,391,954.05, 8,091,948.05 and 3,956,347.16 is: 5,937,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,954.05 : 8,091,948.05 = 3,956,347.16 : x
  2. Step 2: Convert to fraction form
    5,391,954.05/8,091,948.05 = 3,956,347.16/x
  3. Step 3: Cross multiply
    5,391,954.05x = 8,091,948.05 × 3,956,347.16
  4. Step 4: Simplify right side
    5,391,954.05x = 32,014,555,646,025.30
  5. Step 5: Solve for x
    x = 32,014,555,646,025.30/5,391,954.05
  6. Step 6: Final answer
    x = 5,937,468.19

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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.