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Finding the Fourth Proportional to 17,219.70, 25,808.79 and 8,895.18

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Solution

The fourth proportional to 17,219.70, 25,808.79 and 8,895.18 is: 13,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.70 : 25,808.79 = 8,895.18 : x
  2. Step 2: Convert to fraction form
    17,219.70/25,808.79 = 8,895.18/x
  3. Step 3: Cross multiply
    17,219.70x = 25,808.79 × 8,895.18
  4. Step 4: Simplify right side
    17,219.70x = 229,573,832.63
  5. Step 5: Solve for x
    x = 229,573,832.63/17,219.70
  6. Step 6: Final answer
    x = 13,332.05

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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.