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Finding the Fourth Proportional to 5,779,367.72, 7,975,439.62 and 3,165,850.92

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Solution

The fourth proportional to 5,779,367.72, 7,975,439.62 and 3,165,850.92 is: 4,368,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779,367.72 : 7,975,439.62 = 3,165,850.92 : x
  2. Step 2: Convert to fraction form
    5,779,367.72/7,975,439.62 = 3,165,850.92/x
  3. Step 3: Cross multiply
    5,779,367.72x = 7,975,439.62 × 3,165,850.92
  4. Step 4: Simplify right side
    5,779,367.72x = 25,249,052,858,381.45
  5. Step 5: Solve for x
    x = 25,249,052,858,381.45/5,779,367.72
  6. Step 6: Final answer
    x = 4,368,826.16

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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.