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Finding the Fourth Proportional to 6,869,894.80, 10,304,842.20 and 3,468,672.40

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Solution

The fourth proportional to 6,869,894.80, 10,304,842.20 and 3,468,672.40 is: 5,203,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869,894.80 : 10,304,842.20 = 3,468,672.40 : x
  2. Step 2: Convert to fraction form
    6,869,894.80/10,304,842.20 = 3,468,672.40/x
  3. Step 3: Cross multiply
    6,869,894.80x = 10,304,842.20 × 3,468,672.40
  4. Step 4: Simplify right side
    6,869,894.80x = 35,744,121,725,495.27
  5. Step 5: Solve for x
    x = 35,744,121,725,495.27/6,869,894.80
  6. Step 6: Final answer
    x = 5,203,008.60

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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.