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Finding the Fourth Proportional to 9,787,906.60, 14,681,859.90 and 2,600,549.80

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Solution

The fourth proportional to 9,787,906.60, 14,681,859.90 and 2,600,549.80 is: 3,900,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787,906.60 : 14,681,859.90 = 2,600,549.80 : x
  2. Step 2: Convert to fraction form
    9,787,906.60/14,681,859.90 = 2,600,549.80/x
  3. Step 3: Cross multiply
    9,787,906.60x = 14,681,859.90 × 2,600,549.80
  4. Step 4: Simplify right side
    9,787,906.60x = 38,180,907,826,573.02
  5. Step 5: Solve for x
    x = 38,180,907,826,573.02/9,787,906.60
  6. Step 6: Final answer
    x = 3,900,824.70

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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.