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Finding the Fourth Proportional to 5,915,581.64, 8,163,502.60 and 3,199,327.64

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Solution

The fourth proportional to 5,915,581.64, 8,163,502.60 and 3,199,327.64 is: 4,415,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915,581.64 : 8,163,502.60 = 3,199,327.64 : x
  2. Step 2: Convert to fraction form
    5,915,581.64/8,163,502.60 = 3,199,327.64/x
  3. Step 3: Cross multiply
    5,915,581.64x = 8,163,502.60 × 3,199,327.64
  4. Step 4: Simplify right side
    5,915,581.64x = 26,117,719,507,391.86
  5. Step 5: Solve for x
    x = 26,117,719,507,391.86/5,915,581.64
  6. Step 6: Final answer
    x = 4,415,072.11

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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.