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Finding the Fourth Proportional to 16,795,610.60, 25,193,415.90 and 7,209,357.80

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Solution

The fourth proportional to 16,795,610.60, 25,193,415.90 and 7,209,357.80 is: 10,814,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,795,610.60 : 25,193,415.90 = 7,209,357.80 : x
  2. Step 2: Convert to fraction form
    16,795,610.60/25,193,415.90 = 7,209,357.80/x
  3. Step 3: Cross multiply
    16,795,610.60x = 25,193,415.90 × 7,209,357.80
  4. Step 4: Simplify right side
    16,795,610.60x = 181,628,349,427,309
  5. Step 5: Solve for x
    x = 181,628,349,427,309/16,795,610.60
  6. Step 6: Final answer
    x = 10,814,036.70

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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.