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Finding the Fourth Proportional to 17,189.64, 25,808.41 and 8,875.65

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Solution

The fourth proportional to 17,189.64, 25,808.41 and 8,875.65 is: 13,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,189.64 : 25,808.41 = 8,875.65 : x
  2. Step 2: Convert to fraction form
    17,189.64/25,808.41 = 8,875.65/x
  3. Step 3: Cross multiply
    17,189.64x = 25,808.41 × 8,875.65
  4. Step 4: Simplify right side
    17,189.64x = 229,066,522.09
  5. Step 5: Solve for x
    x = 229,066,522.09/17,189.64
  6. Step 6: Final answer
    x = 13,325.85

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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.