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Finding the Fourth Proportional to 5,987,712.90, 8,404,055.70 and 5,987,712.90

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Solution

The fourth proportional to 5,987,712.90, 8,404,055.70 and 5,987,712.90 is: 8,404,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987,712.90 : 8,404,055.70 = 5,987,712.90 : x
  2. Step 2: Convert to fraction form
    5,987,712.90/8,404,055.70 = 5,987,712.90/x
  3. Step 3: Cross multiply
    5,987,712.90x = 8,404,055.70 × 5,987,712.90
  4. Step 4: Simplify right side
    5,987,712.90x = 50,321,072,727,208.53
  5. Step 5: Solve for x
    x = 50,321,072,727,208.53/5,987,712.90
  6. Step 6: Final answer
    x = 8,404,055.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.