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Finding the Fourth Proportional to 23,605.88, 32,554.86 and 19,640.12

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Solution

The fourth proportional to 23,605.88, 32,554.86 and 19,640.12 is: 27,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,605.88 : 32,554.86 = 19,640.12 : x
  2. Step 2: Convert to fraction form
    23,605.88/32,554.86 = 19,640.12/x
  3. Step 3: Cross multiply
    23,605.88x = 32,554.86 × 19,640.12
  4. Step 4: Simplify right side
    23,605.88x = 639,381,356.98
  5. Step 5: Solve for x
    x = 639,381,356.98/23,605.88
  6. Step 6: Final answer
    x = 27,085.68

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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.