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Finding the Fourth Proportional to 5,347,847.80, 8,018,229.30 and 2,952,839.80

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Solution

The fourth proportional to 5,347,847.80, 8,018,229.30 and 2,952,839.80 is: 4,427,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,847.80 : 8,018,229.30 = 2,952,839.80 : x
  2. Step 2: Convert to fraction form
    5,347,847.80/8,018,229.30 = 2,952,839.80/x
  3. Step 3: Cross multiply
    5,347,847.80x = 8,018,229.30 × 2,952,839.80
  4. Step 4: Simplify right side
    5,347,847.80x = 23,676,546,602,566.14
  5. Step 5: Solve for x
    x = 23,676,546,602,566.14/5,347,847.80
  6. Step 6: Final answer
    x = 4,427,303.75

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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.