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Finding the Fourth Proportional to 62,487,649.44, 86,231,993.04 and 34,986,561.84

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Solution

The fourth proportional to 62,487,649.44, 86,231,993.04 and 34,986,561.84 is: 48,280,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,487,649.44 : 86,231,993.04 = 34,986,561.84 : x
  2. Step 2: Convert to fraction form
    62,487,649.44/86,231,993.04 = 34,986,561.84/x
  3. Step 3: Cross multiply
    62,487,649.44x = 86,231,993.04 × 34,986,561.84
  4. Step 4: Simplify right side
    62,487,649.44x = 3,016,960,957,080,410
  5. Step 5: Solve for x
    x = 3,016,960,957,080,410/62,487,649.44
  6. Step 6: Final answer
    x = 48,280,916.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.