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Finding the Fourth Proportional to 27,603.53, 38,094.03 and 15,667.98

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Solution

The fourth proportional to 27,603.53, 38,094.03 and 15,667.98 is: 21,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.53 : 38,094.03 = 15,667.98 : x
  2. Step 2: Convert to fraction form
    27,603.53/38,094.03 = 15,667.98/x
  3. Step 3: Cross multiply
    27,603.53x = 38,094.03 × 15,667.98
  4. Step 4: Simplify right side
    27,603.53x = 596,856,357.31
  5. Step 5: Solve for x
    x = 596,856,357.31/27,603.53
  6. Step 6: Final answer
    x = 21,622.47

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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.