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Finding the Fourth Proportional to 22,034,574.47, 30,375,664.87 and 15,398,559.92

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Solution

The fourth proportional to 22,034,574.47, 30,375,664.87 and 15,398,559.92 is: 21,227,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,034,574.47 : 30,375,664.87 = 15,398,559.92 : x
  2. Step 2: Convert to fraction form
    22,034,574.47/30,375,664.87 = 15,398,559.92/x
  3. Step 3: Cross multiply
    22,034,574.47x = 30,375,664.87 × 15,398,559.92
  4. Step 4: Simplify right side
    22,034,574.47x = 467,741,495,610,534
  5. Step 5: Solve for x
    x = 467,741,495,610,534/22,034,574.47
  6. Step 6: Final answer
    x = 21,227,616.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.