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Finding the Fourth Proportional to 4,886,337.24, 6,743,954.82 and 2,711,578.97

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Solution

The fourth proportional to 4,886,337.24, 6,743,954.82 and 2,711,578.97 is: 3,742,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,337.24 : 6,743,954.82 = 2,711,578.97 : x
  2. Step 2: Convert to fraction form
    4,886,337.24/6,743,954.82 = 2,711,578.97/x
  3. Step 3: Cross multiply
    4,886,337.24x = 6,743,954.82 × 2,711,578.97
  4. Step 4: Simplify right side
    4,886,337.24x = 18,286,766,030,822.36
  5. Step 5: Solve for x
    x = 18,286,766,030,822.36/4,886,337.24
  6. Step 6: Final answer
    x = 3,742,428.15

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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.