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Finding the Fourth Proportional to 17,088.48, 25,640.64 and 7,230.06

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Solution

The fourth proportional to 17,088.48, 25,640.64 and 7,230.06 is: 10,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.48 : 25,640.64 = 7,230.06 : x
  2. Step 2: Convert to fraction form
    17,088.48/25,640.64 = 7,230.06/x
  3. Step 3: Cross multiply
    17,088.48x = 25,640.64 × 7,230.06
  4. Step 4: Simplify right side
    17,088.48x = 185,383,365.64
  5. Step 5: Solve for x
    x = 185,383,365.64/17,088.48
  6. Step 6: Final answer
    x = 10,848.44

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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.