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Finding the Fourth Proportional to 7,973,781.60, 11,960,672.40 and 4,558,562.40

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Solution

The fourth proportional to 7,973,781.60, 11,960,672.40 and 4,558,562.40 is: 6,837,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973,781.60 : 11,960,672.40 = 4,558,562.40 : x
  2. Step 2: Convert to fraction form
    7,973,781.60/11,960,672.40 = 4,558,562.40/x
  3. Step 3: Cross multiply
    7,973,781.60x = 11,960,672.40 × 4,558,562.40
  4. Step 4: Simplify right side
    7,973,781.60x = 54,523,471,481,357.77
  5. Step 5: Solve for x
    x = 54,523,471,481,357.77/7,973,781.60
  6. Step 6: Final answer
    x = 6,837,843.60

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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.