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Finding the Fourth Proportional to 27,339.92, 40,985.27 and 9,805.64

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Solution

The fourth proportional to 27,339.92, 40,985.27 and 9,805.64 is: 14,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.92 : 40,985.27 = 9,805.64 : x
  2. Step 2: Convert to fraction form
    27,339.92/40,985.27 = 9,805.64/x
  3. Step 3: Cross multiply
    27,339.92x = 40,985.27 × 9,805.64
  4. Step 4: Simplify right side
    27,339.92x = 401,886,548.97
  5. Step 5: Solve for x
    x = 401,886,548.97/27,339.92
  6. Step 6: Final answer
    x = 14,699.63

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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.