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Finding the Fourth Proportional to 8,648,163.48, 12,967,865.76 and 2,888,843.88

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Solution

The fourth proportional to 8,648,163.48, 12,967,865.76 and 2,888,843.88 is: 4,331,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648,163.48 : 12,967,865.76 = 2,888,843.88 : x
  2. Step 2: Convert to fraction form
    8,648,163.48/12,967,865.76 = 2,888,843.88/x
  3. Step 3: Cross multiply
    8,648,163.48x = 12,967,865.76 × 2,888,843.88
  4. Step 4: Simplify right side
    8,648,163.48x = 37,462,139,637,437.55
  5. Step 5: Solve for x
    x = 37,462,139,637,437.55/8,648,163.48
  6. Step 6: Final answer
    x = 4,331,802.90

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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.