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Finding the Fourth Proportional to 17,927.64, 26,891.46 and 8,065.08

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Solution

The fourth proportional to 17,927.64, 26,891.46 and 8,065.08 is: 12,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.64 : 26,891.46 = 8,065.08 : x
  2. Step 2: Convert to fraction form
    17,927.64/26,891.46 = 8,065.08/x
  3. Step 3: Cross multiply
    17,927.64x = 26,891.46 × 8,065.08
  4. Step 4: Simplify right side
    17,927.64x = 216,881,776.22
  5. Step 5: Solve for x
    x = 216,881,776.22/17,927.64
  6. Step 6: Final answer
    x = 12,097.62

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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.