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Finding the Fourth Proportional to 27,603.52, 38,093.52 and 15,668.32

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Solution

The fourth proportional to 27,603.52, 38,093.52 and 15,668.32 is: 21,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.52 : 38,093.52 = 15,668.32 : x
  2. Step 2: Convert to fraction form
    27,603.52/38,093.52 = 15,668.32/x
  3. Step 3: Cross multiply
    27,603.52x = 38,093.52 × 15,668.32
  4. Step 4: Simplify right side
    27,603.52x = 596,861,461.29
  5. Step 5: Solve for x
    x = 596,861,461.29/27,603.52
  6. Step 6: Final answer
    x = 21,622.66

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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.