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Finding the Fourth Proportional to 17,889.80, 26,844.30 and 7,502.60

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Solution

The fourth proportional to 17,889.80, 26,844.30 and 7,502.60 is: 11,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.80 : 26,844.30 = 7,502.60 : x
  2. Step 2: Convert to fraction form
    17,889.80/26,844.30 = 7,502.60/x
  3. Step 3: Cross multiply
    17,889.80x = 26,844.30 × 7,502.60
  4. Step 4: Simplify right side
    17,889.80x = 201,402,045.18
  5. Step 5: Solve for x
    x = 201,402,045.18/17,889.80
  6. Step 6: Final answer
    x = 11,257.93

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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.