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Finding the Fourth Proportional to 5,466,274.72, 7,541,262.48 and 3,428,340.64

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Solution

The fourth proportional to 5,466,274.72, 7,541,262.48 and 3,428,340.64 is: 4,729,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466,274.72 : 7,541,262.48 = 3,428,340.64 : x
  2. Step 2: Convert to fraction form
    5,466,274.72/7,541,262.48 = 3,428,340.64/x
  3. Step 3: Cross multiply
    5,466,274.72x = 7,541,262.48 × 3,428,340.64
  4. Step 4: Simplify right side
    5,466,274.72x = 25,854,016,637,091.19
  5. Step 5: Solve for x
    x = 25,854,016,637,091.19/5,466,274.72
  6. Step 6: Final answer
    x = 4,729,732.40

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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.