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Finding the Fourth Proportional to 5,869,447.80, 8,804,171.70 and 5,349,816.60

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Solution

The fourth proportional to 5,869,447.80, 8,804,171.70 and 5,349,816.60 is: 8,024,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869,447.80 : 8,804,171.70 = 5,349,816.60 : x
  2. Step 2: Convert to fraction form
    5,869,447.80/8,804,171.70 = 5,349,816.60/x
  3. Step 3: Cross multiply
    5,869,447.80x = 8,804,171.70 × 5,349,816.60
  4. Step 4: Simplify right side
    5,869,447.80x = 47,100,703,909,910.21
  5. Step 5: Solve for x
    x = 47,100,703,909,910.21/5,869,447.80
  6. Step 6: Final answer
    x = 8,024,724.90

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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.