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Finding the Fourth Proportional to 17,895.20, 26,842.80 and 8,053.70

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Solution

The fourth proportional to 17,895.20, 26,842.80 and 8,053.70 is: 12,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.20 : 26,842.80 = 8,053.70 : x
  2. Step 2: Convert to fraction form
    17,895.20/26,842.80 = 8,053.70/x
  3. Step 3: Cross multiply
    17,895.20x = 26,842.80 × 8,053.70
  4. Step 4: Simplify right side
    17,895.20x = 216,183,858.36
  5. Step 5: Solve for x
    x = 216,183,858.36/17,895.20
  6. Step 6: Final answer
    x = 12,080.55

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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.