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Finding the Fourth Proportional to 9,691,884.80, 14,522,080.80 and 8,337,694.40

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Solution

The fourth proportional to 9,691,884.80, 14,522,080.80 and 8,337,694.40 is: 12,492,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,884.80 : 14,522,080.80 = 8,337,694.40 : x
  2. Step 2: Convert to fraction form
    9,691,884.80/14,522,080.80 = 8,337,694.40/x
  3. Step 3: Cross multiply
    9,691,884.80x = 14,522,080.80 × 8,337,694.40
  4. Step 4: Simplify right side
    9,691,884.80x = 121,080,671,762,507.53
  5. Step 5: Solve for x
    x = 121,080,671,762,507.53/9,691,884.80
  6. Step 6: Final answer
    x = 12,492,995.35

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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.