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Finding the Fourth Proportional to 29,183,797.80, 43,775,696.70 and 8,986,415.40

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Solution

The fourth proportional to 29,183,797.80, 43,775,696.70 and 8,986,415.40 is: 13,479,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,183,797.80 : 43,775,696.70 = 8,986,415.40 : x
  2. Step 2: Convert to fraction form
    29,183,797.80/43,775,696.70 = 8,986,415.40/x
  3. Step 3: Cross multiply
    29,183,797.80x = 43,775,696.70 × 8,986,415.40
  4. Step 4: Simplify right side
    29,183,797.80x = 393,386,594,970,609.25
  5. Step 5: Solve for x
    x = 393,386,594,970,609.25/29,183,797.80
  6. Step 6: Final answer
    x = 13,479,623.10

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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.