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Finding the Fourth Proportional to 27,489.54, 37,935.57 and 15,552.63

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Solution

The fourth proportional to 27,489.54, 37,935.57 and 15,552.63 is: 21,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.54 : 37,935.57 = 15,552.63 : x
  2. Step 2: Convert to fraction form
    27,489.54/37,935.57 = 15,552.63/x
  3. Step 3: Cross multiply
    27,489.54x = 37,935.57 × 15,552.63
  4. Step 4: Simplify right side
    27,489.54x = 589,997,884.05
  5. Step 5: Solve for x
    x = 589,997,884.05/27,489.54
  6. Step 6: Final answer
    x = 21,462.63

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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.