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Finding the Fourth Proportional to 27,291.29, 40,861.01 and 13,935.44

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Solution

The fourth proportional to 27,291.29, 40,861.01 and 13,935.44 is: 20,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.29 : 40,861.01 = 13,935.44 : x
  2. Step 2: Convert to fraction form
    27,291.29/40,861.01 = 13,935.44/x
  3. Step 3: Cross multiply
    27,291.29x = 40,861.01 × 13,935.44
  4. Step 4: Simplify right side
    27,291.29x = 569,416,290.19
  5. Step 5: Solve for x
    x = 569,416,290.19/27,291.29
  6. Step 6: Final answer
    x = 20,864.39

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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.