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Finding the Fourth Proportional to 16,996,602.40, 25,509,418.80 and 6,906,464.80

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Solution

The fourth proportional to 16,996,602.40, 25,509,418.80 and 6,906,464.80 is: 10,365,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996,602.40 : 25,509,418.80 = 6,906,464.80 : x
  2. Step 2: Convert to fraction form
    16,996,602.40/25,509,418.80 = 6,906,464.80/x
  3. Step 3: Cross multiply
    16,996,602.40x = 25,509,418.80 × 6,906,464.80
  4. Step 4: Simplify right side
    16,996,602.40x = 176,179,903,010,658.25
  5. Step 5: Solve for x
    x = 176,179,903,010,658.25/16,996,602.40
  6. Step 6: Final answer
    x = 10,365,595.36

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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.