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Finding the Fourth Proportional to 3,136,706.70, 4,705,060.05 and 3,073,721.10

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Solution

The fourth proportional to 3,136,706.70, 4,705,060.05 and 3,073,721.10 is: 4,610,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,706.70 : 4,705,060.05 = 3,073,721.10 : x
  2. Step 2: Convert to fraction form
    3,136,706.70/4,705,060.05 = 3,073,721.10/x
  3. Step 3: Cross multiply
    3,136,706.70x = 4,705,060.05 × 3,073,721.10
  4. Step 4: Simplify right side
    3,136,706.70x = 14,462,042,352,452.05
  5. Step 5: Solve for x
    x = 14,462,042,352,452.05/3,136,706.70
  6. Step 6: Final answer
    x = 4,610,581.65

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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.