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Finding the Fourth Proportional to 5,801,592.47, 8,696,979.72 and 1,960,729.20

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Solution

The fourth proportional to 5,801,592.47, 8,696,979.72 and 1,960,729.20 is: 2,939,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801,592.47 : 8,696,979.72 = 1,960,729.20 : x
  2. Step 2: Convert to fraction form
    5,801,592.47/8,696,979.72 = 1,960,729.20/x
  3. Step 3: Cross multiply
    5,801,592.47x = 8,696,979.72 × 1,960,729.20
  4. Step 4: Simplify right side
    5,801,592.47x = 17,052,422,088,811.82
  5. Step 5: Solve for x
    x = 17,052,422,088,811.82/5,801,592.47
  6. Step 6: Final answer
    x = 2,939,265.76

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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.