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Finding the Fourth Proportional to 22,641,319.20, 33,961,978.80 and 15,083,047.20

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Solution

The fourth proportional to 22,641,319.20, 33,961,978.80 and 15,083,047.20 is: 22,624,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,641,319.20 : 33,961,978.80 = 15,083,047.20 : x
  2. Step 2: Convert to fraction form
    22,641,319.20/33,961,978.80 = 15,083,047.20/x
  3. Step 3: Cross multiply
    22,641,319.20x = 33,961,978.80 × 15,083,047.20
  4. Step 4: Simplify right side
    22,641,319.20x = 512,250,129,245,799.31
  5. Step 5: Solve for x
    x = 512,250,129,245,799.31/22,641,319.20
  6. Step 6: Final answer
    x = 22,624,570.80

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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.