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Finding the Fourth Proportional to 6,413,117.16, 8,845,843.86 and 4,124,173.80

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Solution

The fourth proportional to 6,413,117.16, 8,845,843.86 and 4,124,173.80 is: 5,688,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413,117.16 : 8,845,843.86 = 4,124,173.80 : x
  2. Step 2: Convert to fraction form
    6,413,117.16/8,845,843.86 = 4,124,173.80/x
  3. Step 3: Cross multiply
    6,413,117.16x = 8,845,843.86 × 4,124,173.80
  4. Step 4: Simplify right side
    6,413,117.16x = 36,481,797,486,302.87
  5. Step 5: Solve for x
    x = 36,481,797,486,302.87/6,413,117.16
  6. Step 6: Final answer
    x = 5,688,621.71

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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.