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Finding the Fourth Proportional to 27,305.92, 37,670.64 and 17,230.72

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Solution

The fourth proportional to 27,305.92, 37,670.64 and 17,230.72 is: 23,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.92 : 37,670.64 = 17,230.72 : x
  2. Step 2: Convert to fraction form
    27,305.92/37,670.64 = 17,230.72/x
  3. Step 3: Cross multiply
    27,305.92x = 37,670.64 × 17,230.72
  4. Step 4: Simplify right side
    27,305.92x = 649,092,250.06
  5. Step 5: Solve for x
    x = 649,092,250.06/27,305.92
  6. Step 6: Final answer
    x = 23,771.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.