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Finding the Fourth Proportional to 27,104.95, 40,657.38 and 13,961.08

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Solution

The fourth proportional to 27,104.95, 40,657.38 and 13,961.08 is: 20,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.95 : 40,657.38 = 13,961.08 : x
  2. Step 2: Convert to fraction form
    27,104.95/40,657.38 = 13,961.08/x
  3. Step 3: Cross multiply
    27,104.95x = 40,657.38 × 13,961.08
  4. Step 4: Simplify right side
    27,104.95x = 567,620,934.77
  5. Step 5: Solve for x
    x = 567,620,934.77/27,104.95
  6. Step 6: Final answer
    x = 20,941.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.