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Finding the Fourth Proportional to 22,346,991.72, 33,502,406.54 and 6,986,378.52

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Solution

The fourth proportional to 22,346,991.72, 33,502,406.54 and 6,986,378.52 is: 10,473,915.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,346,991.72 : 33,502,406.54 = 6,986,378.52 : x
  2. Step 2: Convert to fraction form
    22,346,991.72/33,502,406.54 = 6,986,378.52/x
  3. Step 3: Cross multiply
    22,346,991.72x = 33,502,406.54 × 6,986,378.52
  4. Step 4: Simplify right side
    22,346,991.72x = 234,060,493,419,363.50
  5. Step 5: Solve for x
    x = 234,060,493,419,363.50/22,346,991.72
  6. Step 6: Final answer
    x = 10,473,915.07

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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.