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Finding the Fourth Proportional to 38,960.89, 53,741.10 and 27,019.87

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Solution

The fourth proportional to 38,960.89, 53,741.10 and 27,019.87 is: 37,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,960.89 : 53,741.10 = 27,019.87 : x
  2. Step 2: Convert to fraction form
    38,960.89/53,741.10 = 27,019.87/x
  3. Step 3: Cross multiply
    38,960.89x = 53,741.10 × 27,019.87
  4. Step 4: Simplify right side
    38,960.89x = 1,452,077,552.17
  5. Step 5: Solve for x
    x = 1,452,077,552.17/38,960.89
  6. Step 6: Final answer
    x = 37,270.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.