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Finding the Fourth Proportional to 27,691.37, 41,526.88 and 9,917.13

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Solution

The fourth proportional to 27,691.37, 41,526.88 and 9,917.13 is: 14,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.37 : 41,526.88 = 9,917.13 : x
  2. Step 2: Convert to fraction form
    27,691.37/41,526.88 = 9,917.13/x
  3. Step 3: Cross multiply
    27,691.37x = 41,526.88 × 9,917.13
  4. Step 4: Simplify right side
    27,691.37x = 411,827,598.39
  5. Step 5: Solve for x
    x = 411,827,598.39/27,691.37
  6. Step 6: Final answer
    x = 14,872.06

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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.