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Finding the Fourth Proportional to 27,259.92, 40,889.88 and 11,667.44

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Solution

The fourth proportional to 27,259.92, 40,889.88 and 11,667.44 is: 17,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259.92 : 40,889.88 = 11,667.44 : x
  2. Step 2: Convert to fraction form
    27,259.92/40,889.88 = 11,667.44/x
  3. Step 3: Cross multiply
    27,259.92x = 40,889.88 × 11,667.44
  4. Step 4: Simplify right side
    27,259.92x = 477,080,221.51
  5. Step 5: Solve for x
    x = 477,080,221.51/27,259.92
  6. Step 6: Final answer
    x = 17,501.16

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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.