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Finding the Fourth Proportional to 5,283,805.93, 7,923,210.81 and 2,046,859.69

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Solution

The fourth proportional to 5,283,805.93, 7,923,210.81 and 2,046,859.69 is: 3,069,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283,805.93 : 7,923,210.81 = 2,046,859.69 : x
  2. Step 2: Convert to fraction form
    5,283,805.93/7,923,210.81 = 2,046,859.69/x
  3. Step 3: Cross multiply
    5,283,805.93x = 7,923,210.81 × 2,046,859.69
  4. Step 4: Simplify right side
    5,283,805.93x = 16,217,700,822,361.25
  5. Step 5: Solve for x
    x = 16,217,700,822,361.25/5,283,805.93
  6. Step 6: Final answer
    x = 3,069,321.82

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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.