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Finding the Fourth Proportional to 8,841,978.50, 13,262,967.02 and 2,452,230.78

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Solution

The fourth proportional to 8,841,978.50, 13,262,967.02 and 2,452,230.78 is: 3,678,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841,978.50 : 13,262,967.02 = 2,452,230.78 : x
  2. Step 2: Convert to fraction form
    8,841,978.50/13,262,967.02 = 2,452,230.78/x
  3. Step 3: Cross multiply
    8,841,978.50x = 13,262,967.02 × 2,452,230.78
  4. Step 4: Simplify right side
    8,841,978.50x = 32,523,855,960,568.87
  5. Step 5: Solve for x
    x = 32,523,855,960,568.87/8,841,978.50
  6. Step 6: Final answer
    x = 3,678,345.97

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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.