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Finding the Fourth Proportional to 27,603.68, 38,093.76 and 15,029.12

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Solution

The fourth proportional to 27,603.68, 38,093.76 and 15,029.12 is: 20,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.68 : 38,093.76 = 15,029.12 : x
  2. Step 2: Convert to fraction form
    27,603.68/38,093.76 = 15,029.12/x
  3. Step 3: Cross multiply
    27,603.68x = 38,093.76 × 15,029.12
  4. Step 4: Simplify right side
    27,603.68x = 572,515,690.29
  5. Step 5: Solve for x
    x = 572,515,690.29/27,603.68
  6. Step 6: Final answer
    x = 20,740.56

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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.