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Finding the Fourth Proportional to 5,805,884.16, 8,712,789.12 and 2,019,329.28

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Solution

The fourth proportional to 5,805,884.16, 8,712,789.12 and 2,019,329.28 is: 3,030,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805,884.16 : 8,712,789.12 = 2,019,329.28 : x
  2. Step 2: Convert to fraction form
    5,805,884.16/8,712,789.12 = 2,019,329.28/x
  3. Step 3: Cross multiply
    5,805,884.16x = 8,712,789.12 × 2,019,329.28
  4. Step 4: Simplify right side
    5,805,884.16x = 17,593,990,180,481.43
  5. Step 5: Solve for x
    x = 17,593,990,180,481.43/5,805,884.16
  6. Step 6: Final answer
    x = 3,030,372.24

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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.