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Finding the Fourth Proportional to 17,869,332.80, 26,774,450.40 and 10,283,067.20

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Solution

The fourth proportional to 17,869,332.80, 26,774,450.40 and 10,283,067.20 is: 15,407,596.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869,332.80 : 26,774,450.40 = 10,283,067.20 : x
  2. Step 2: Convert to fraction form
    17,869,332.80/26,774,450.40 = 10,283,067.20/x
  3. Step 3: Cross multiply
    17,869,332.80x = 26,774,450.40 × 10,283,067.20
  4. Step 4: Simplify right side
    17,869,332.80x = 275,323,472,706,266.84
  5. Step 5: Solve for x
    x = 275,323,472,706,266.84/17,869,332.80
  6. Step 6: Final answer
    x = 15,407,596.68

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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.