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Finding the Fourth Proportional to 6,553,266.39, 9,829,891.10 and 1,760,955.72

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Solution

The fourth proportional to 6,553,266.39, 9,829,891.10 and 1,760,955.72 is: 2,641,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553,266.39 : 9,829,891.10 = 1,760,955.72 : x
  2. Step 2: Convert to fraction form
    6,553,266.39/9,829,891.10 = 1,760,955.72/x
  3. Step 3: Cross multiply
    6,553,266.39x = 9,829,891.10 × 1,760,955.72
  4. Step 4: Simplify right side
    6,553,266.39x = 17,310,002,959,522.09
  5. Step 5: Solve for x
    x = 17,310,002,959,522.09/6,553,266.39
  6. Step 6: Final answer
    x = 2,641,431.30

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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.