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Finding the Fourth Proportional to 8,655,479.04, 12,984,399.60 and 3,605,608.56

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Solution

The fourth proportional to 8,655,479.04, 12,984,399.60 and 3,605,608.56 is: 5,408,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655,479.04 : 12,984,399.60 = 3,605,608.56 : x
  2. Step 2: Convert to fraction form
    8,655,479.04/12,984,399.60 = 3,605,608.56/x
  3. Step 3: Cross multiply
    8,655,479.04x = 12,984,399.60 × 3,605,608.56
  4. Step 4: Simplify right side
    8,655,479.04x = 46,816,662,344,220.58
  5. Step 5: Solve for x
    x = 46,816,662,344,220.58/8,655,479.04
  6. Step 6: Final answer
    x = 5,408,904.83

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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.