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Finding the Fourth Proportional to 5,904,407.70, 8,856,611.55 and 5,157,911.70

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Solution

The fourth proportional to 5,904,407.70, 8,856,611.55 and 5,157,911.70 is: 7,736,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904,407.70 : 8,856,611.55 = 5,157,911.70 : x
  2. Step 2: Convert to fraction form
    5,904,407.70/8,856,611.55 = 5,157,911.70/x
  3. Step 3: Cross multiply
    5,904,407.70x = 8,856,611.55 × 5,157,911.70
  4. Step 4: Simplify right side
    5,904,407.70x = 45,681,620,336,100.14
  5. Step 5: Solve for x
    x = 45,681,620,336,100.14/5,904,407.70
  6. Step 6: Final answer
    x = 7,736,867.55

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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.