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Finding the Fourth Proportional to 5,793,228.80, 8,691,916.80 and 2,428,467.20

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Solution

The fourth proportional to 5,793,228.80, 8,691,916.80 and 2,428,467.20 is: 3,643,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793,228.80 : 8,691,916.80 = 2,428,467.20 : x
  2. Step 2: Convert to fraction form
    5,793,228.80/8,691,916.80 = 2,428,467.20/x
  3. Step 3: Cross multiply
    5,793,228.80x = 8,691,916.80 × 2,428,467.20
  4. Step 4: Simplify right side
    5,793,228.80x = 21,108,034,853,928.96
  5. Step 5: Solve for x
    x = 21,108,034,853,928.96/5,793,228.80
  6. Step 6: Final answer
    x = 3,643,570.03

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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.