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Finding the Fourth Proportional to 6,636,722.76, 9,958,947.84 and 2,798,304.48

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Solution

The fourth proportional to 6,636,722.76, 9,958,947.84 and 2,798,304.48 is: 4,199,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636,722.76 : 9,958,947.84 = 2,798,304.48 : x
  2. Step 2: Convert to fraction form
    6,636,722.76/9,958,947.84 = 2,798,304.48/x
  3. Step 3: Cross multiply
    6,636,722.76x = 9,958,947.84 × 2,798,304.48
  4. Step 4: Simplify right side
    6,636,722.76x = 27,868,168,356,758.32
  5. Step 5: Solve for x
    x = 27,868,168,356,758.32/6,636,722.76
  6. Step 6: Final answer
    x = 4,199,085.81

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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.