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Finding the Fourth Proportional to 15,662,228.20, 23,493,342.30 and 15,449,651.80

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Solution

The fourth proportional to 15,662,228.20, 23,493,342.30 and 15,449,651.80 is: 23,174,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662,228.20 : 23,493,342.30 = 15,449,651.80 : x
  2. Step 2: Convert to fraction form
    15,662,228.20/23,493,342.30 = 15,449,651.80/x
  3. Step 3: Cross multiply
    15,662,228.20x = 23,493,342.30 × 15,449,651.80
  4. Step 4: Simplify right side
    15,662,228.20x = 362,963,958,153,211.19
  5. Step 5: Solve for x
    x = 362,963,958,153,211.19/15,662,228.20
  6. Step 6: Final answer
    x = 23,174,477.70

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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.