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Finding the Fourth Proportional to 5,934,978.68, 8,902,301.09 and 1,891,708.83

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Solution

The fourth proportional to 5,934,978.68, 8,902,301.09 and 1,891,708.83 is: 2,837,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,934,978.68 : 8,902,301.09 = 1,891,708.83 : x
  2. Step 2: Convert to fraction form
    5,934,978.68/8,902,301.09 = 1,891,708.83/x
  3. Step 3: Cross multiply
    5,934,978.68x = 8,902,301.09 × 1,891,708.83
  4. Step 4: Simplify right side
    5,934,978.68x = 16,840,561,569,813.08
  5. Step 5: Solve for x
    x = 16,840,561,569,813.08/5,934,978.68
  6. Step 6: Final answer
    x = 2,837,510.04

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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.