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Finding the Fourth Proportional to 6,583,808.79, 9,874,715.31 and 1,791,871.47

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Solution

The fourth proportional to 6,583,808.79, 9,874,715.31 and 1,791,871.47 is: 2,687,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,583,808.79 : 9,874,715.31 = 1,791,871.47 : x
  2. Step 2: Convert to fraction form
    6,583,808.79/9,874,715.31 = 1,791,871.47/x
  3. Step 3: Cross multiply
    6,583,808.79x = 9,874,715.31 × 1,791,871.47
  4. Step 4: Simplify right side
    6,583,808.79x = 17,694,220,638,361.21
  5. Step 5: Solve for x
    x = 17,694,220,638,361.21/6,583,808.79
  6. Step 6: Final answer
    x = 2,687,535.62

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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.