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Finding the Fourth Proportional to 17,867.19, 26,805.99 and 8,004.18

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Solution

The fourth proportional to 17,867.19, 26,805.99 and 8,004.18 is: 12,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.19 : 26,805.99 = 8,004.18 : x
  2. Step 2: Convert to fraction form
    17,867.19/26,805.99 = 8,004.18/x
  3. Step 3: Cross multiply
    17,867.19x = 26,805.99 × 8,004.18
  4. Step 4: Simplify right side
    17,867.19x = 214,559,969.04
  5. Step 5: Solve for x
    x = 214,559,969.04/17,867.19
  6. Step 6: Final answer
    x = 12,008.60

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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.