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Finding the Fourth Proportional to 27,873.33, 38,472.57 and 17,256.93

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Solution

The fourth proportional to 27,873.33, 38,472.57 and 17,256.93 is: 23,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.33 : 38,472.57 = 17,256.93 : x
  2. Step 2: Convert to fraction form
    27,873.33/38,472.57 = 17,256.93/x
  3. Step 3: Cross multiply
    27,873.33x = 38,472.57 × 17,256.93
  4. Step 4: Simplify right side
    27,873.33x = 663,918,447.41
  5. Step 5: Solve for x
    x = 663,918,447.41/27,873.33
  6. Step 6: Final answer
    x = 23,819.13

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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.