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Finding the Fourth Proportional to 19,959.66, 29,930.83 and 10,597.64

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Solution

The fourth proportional to 19,959.66, 29,930.83 and 10,597.64 is: 15,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.66 : 29,930.83 = 10,597.64 : x
  2. Step 2: Convert to fraction form
    19,959.66/29,930.83 = 10,597.64/x
  3. Step 3: Cross multiply
    19,959.66x = 29,930.83 × 10,597.64
  4. Step 4: Simplify right side
    19,959.66x = 317,195,985.09
  5. Step 5: Solve for x
    x = 317,195,985.09/19,959.66
  6. Step 6: Final answer
    x = 15,891.85

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1.5x scale

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.