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Finding the Fourth Proportional to 27,101.70, 40,659.81 and 13,946.88

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Solution

The fourth proportional to 27,101.70, 40,659.81 and 13,946.88 is: 20,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,101.70 : 40,659.81 = 13,946.88 : x
  2. Step 2: Convert to fraction form
    27,101.70/40,659.81 = 13,946.88/x
  3. Step 3: Cross multiply
    27,101.70x = 40,659.81 × 13,946.88
  4. Step 4: Simplify right side
    27,101.70x = 567,077,490.89
  5. Step 5: Solve for x
    x = 567,077,490.89/27,101.70
  6. Step 6: Final answer
    x = 20,924.06

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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.