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Finding the Fourth Proportional to 18,952,373.04, 28,429,531.56 and 5,305,493.04

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Solution

The fourth proportional to 18,952,373.04, 28,429,531.56 and 5,305,493.04 is: 7,958,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952,373.04 : 28,429,531.56 = 5,305,493.04 : x
  2. Step 2: Convert to fraction form
    18,952,373.04/28,429,531.56 = 5,305,493.04/x
  3. Step 3: Cross multiply
    18,952,373.04x = 28,429,531.56 × 5,305,493.04
  4. Step 4: Simplify right side
    18,952,373.04x = 150,832,681,822,040.34
  5. Step 5: Solve for x
    x = 150,832,681,822,040.34/18,952,373.04
  6. Step 6: Final answer
    x = 7,958,511.66

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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.