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Finding the Fourth Proportional to 47,880,586.48, 71,830,978.19 and 15,529,976.73

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Solution

The fourth proportional to 47,880,586.48, 71,830,978.19 and 15,529,976.73 is: 23,298,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880,586.48 : 71,830,978.19 = 15,529,976.73 : x
  2. Step 2: Convert to fraction form
    47,880,586.48/71,830,978.19 = 15,529,976.73/x
  3. Step 3: Cross multiply
    47,880,586.48x = 71,830,978.19 × 15,529,976.73
  4. Step 4: Simplify right side
    47,880,586.48x = 1,115,533,419,706,187.75
  5. Step 5: Solve for x
    x = 1,115,533,419,706,187.75/47,880,586.48
  6. Step 6: Final answer
    x = 23,298,240.51

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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.