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Finding the Fourth Proportional to 27,719.44, 41,585.74 and 8,999.53

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Solution

The fourth proportional to 27,719.44, 41,585.74 and 8,999.53 is: 13,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719.44 : 41,585.74 = 8,999.53 : x
  2. Step 2: Convert to fraction form
    27,719.44/41,585.74 = 8,999.53/x
  3. Step 3: Cross multiply
    27,719.44x = 41,585.74 × 8,999.53
  4. Step 4: Simplify right side
    27,719.44x = 374,251,988.24
  5. Step 5: Solve for x
    x = 374,251,988.24/27,719.44
  6. Step 6: Final answer
    x = 13,501.43

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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.