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Finding the Fourth Proportional to 16,641,503.60, 24,924,930.60 and 13,655,519.60

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Solution

The fourth proportional to 16,641,503.60, 24,924,930.60 and 13,655,519.60 is: 20,452,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641,503.60 : 24,924,930.60 = 13,655,519.60 : x
  2. Step 2: Convert to fraction form
    16,641,503.60/24,924,930.60 = 13,655,519.60/x
  3. Step 3: Cross multiply
    16,641,503.60x = 24,924,930.60 × 13,655,519.60
  4. Step 4: Simplify right side
    16,641,503.60x = 340,362,878,336,939.75
  5. Step 5: Solve for x
    x = 340,362,878,336,939.75/16,641,503.60
  6. Step 6: Final answer
    x = 20,452,651.79

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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.