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Finding the Fourth Proportional to 16,858,049.30, 25,287,073.95 and 16,858,049.30

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Solution

The fourth proportional to 16,858,049.30, 25,287,073.95 and 16,858,049.30 is: 25,287,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858,049.30 : 25,287,073.95 = 16,858,049.30 : x
  2. Step 2: Convert to fraction form
    16,858,049.30/25,287,073.95 = 16,858,049.30/x
  3. Step 3: Cross multiply
    16,858,049.30x = 25,287,073.95 × 16,858,049.30
  4. Step 4: Simplify right side
    16,858,049.30x = 426,290,739,301,845.75
  5. Step 5: Solve for x
    x = 426,290,739,301,845.75/16,858,049.30
  6. Step 6: Final answer
    x = 25,287,073.95

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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.