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Finding the Fourth Proportional to 5,900,803.80, 8,851,205.70 and 3,906,259.80

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Solution

The fourth proportional to 5,900,803.80, 8,851,205.70 and 3,906,259.80 is: 5,859,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900,803.80 : 8,851,205.70 = 3,906,259.80 : x
  2. Step 2: Convert to fraction form
    5,900,803.80/8,851,205.70 = 3,906,259.80/x
  3. Step 3: Cross multiply
    5,900,803.80x = 8,851,205.70 × 3,906,259.80
  4. Step 4: Simplify right side
    5,900,803.80x = 34,575,109,007,440.86
  5. Step 5: Solve for x
    x = 34,575,109,007,440.86/5,900,803.80
  6. Step 6: Final answer
    x = 5,859,389.70

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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.