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Finding the Fourth Proportional to 5,956,805.20, 8,935,207.80 and 2,363,429.20

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Solution

The fourth proportional to 5,956,805.20, 8,935,207.80 and 2,363,429.20 is: 3,545,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,956,805.20 : 8,935,207.80 = 2,363,429.20 : x
  2. Step 2: Convert to fraction form
    5,956,805.20/8,935,207.80 = 2,363,429.20/x
  3. Step 3: Cross multiply
    5,956,805.20x = 8,935,207.80 × 2,363,429.20
  4. Step 4: Simplify right side
    5,956,805.20x = 21,117,731,022,587.76
  5. Step 5: Solve for x
    x = 21,117,731,022,587.76/5,956,805.20
  6. Step 6: Final answer
    x = 3,545,143.80

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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.