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Finding the Fourth Proportional to 4,998,709.71, 6,898,217.72 and 2,706,869.79

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Solution

The fourth proportional to 4,998,709.71, 6,898,217.72 and 2,706,869.79 is: 3,735,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998,709.71 : 6,898,217.72 = 2,706,869.79 : x
  2. Step 2: Convert to fraction form
    4,998,709.71/6,898,217.72 = 2,706,869.79/x
  3. Step 3: Cross multiply
    4,998,709.71x = 6,898,217.72 × 2,706,869.79
  4. Step 4: Simplify right side
    4,998,709.71x = 18,672,577,137,576.33
  5. Step 5: Solve for x
    x = 18,672,577,137,576.33/4,998,709.71
  6. Step 6: Final answer
    x = 3,735,479.40

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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.