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Finding the Fourth Proportional to 5,264,901.64, 7,899,860.28 and 3,648,163.84

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Solution

The fourth proportional to 5,264,901.64, 7,899,860.28 and 3,648,163.84 is: 5,473,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264,901.64 : 7,899,860.28 = 3,648,163.84 : x
  2. Step 2: Convert to fraction form
    5,264,901.64/7,899,860.28 = 3,648,163.84/x
  3. Step 3: Cross multiply
    5,264,901.64x = 7,899,860.28 × 3,648,163.84
  4. Step 4: Simplify right side
    5,264,901.64x = 28,819,984,614,548.27
  5. Step 5: Solve for x
    x = 28,819,984,614,548.27/5,264,901.64
  6. Step 6: Final answer
    x = 5,473,983.48

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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.