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Finding the Fourth Proportional to 22,471,973.20, 33,707,959.80 and 22,248,024.40

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Solution

The fourth proportional to 22,471,973.20, 33,707,959.80 and 22,248,024.40 is: 33,372,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471,973.20 : 33,707,959.80 = 22,248,024.40 : x
  2. Step 2: Convert to fraction form
    22,471,973.20/33,707,959.80 = 22,248,024.40/x
  3. Step 3: Cross multiply
    22,471,973.20x = 33,707,959.80 × 22,248,024.40
  4. Step 4: Simplify right side
    22,471,973.20x = 749,935,512,104,619
  5. Step 5: Solve for x
    x = 749,935,512,104,619/22,471,973.20
  6. Step 6: Final answer
    x = 33,372,036.60

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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.