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Finding the Fourth Proportional to 13,767,375.60, 20,658,936.60 and 9,510,598.80

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Solution

The fourth proportional to 13,767,375.60, 20,658,936.60 and 9,510,598.80 is: 14,271,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767,375.60 : 20,658,936.60 = 9,510,598.80 : x
  2. Step 2: Convert to fraction form
    13,767,375.60/20,658,936.60 = 9,510,598.80/x
  3. Step 3: Cross multiply
    13,767,375.60x = 20,658,936.60 × 9,510,598.80
  4. Step 4: Simplify right side
    13,767,375.60x = 196,478,857,637,236.12
  5. Step 5: Solve for x
    x = 196,478,857,637,236.12/13,767,375.60
  6. Step 6: Final answer
    x = 14,271,337.06

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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.