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Finding the Fourth Proportional to 17,784.30, 26,652.15 and 11,844.30

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Solution

The fourth proportional to 17,784.30, 26,652.15 and 11,844.30 is: 17,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,784.30 : 26,652.15 = 11,844.30 : x
  2. Step 2: Convert to fraction form
    17,784.30/26,652.15 = 11,844.30/x
  3. Step 3: Cross multiply
    17,784.30x = 26,652.15 × 11,844.30
  4. Step 4: Simplify right side
    17,784.30x = 315,676,060.25
  5. Step 5: Solve for x
    x = 315,676,060.25/17,784.30
  6. Step 6: Final answer
    x = 17,750.27

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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.