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Finding the Fourth Proportional to 8,869,672.70, 13,304,509.05 and 4,086,703.70

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Solution

The fourth proportional to 8,869,672.70, 13,304,509.05 and 4,086,703.70 is: 6,130,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,672.70 : 13,304,509.05 = 4,086,703.70 : x
  2. Step 2: Convert to fraction form
    8,869,672.70/13,304,509.05 = 4,086,703.70/x
  3. Step 3: Cross multiply
    8,869,672.70x = 13,304,509.05 × 4,086,703.70
  4. Step 4: Simplify right side
    8,869,672.70x = 54,371,586,361,318.49
  5. Step 5: Solve for x
    x = 54,371,586,361,318.49/8,869,672.70
  6. Step 6: Final answer
    x = 6,130,055.55

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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.