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Finding the Fourth Proportional to 27,593.79, 38,080.32 and 15,657.63

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Solution

The fourth proportional to 27,593.79, 38,080.32 and 15,657.63 is: 21,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,593.79 : 38,080.32 = 15,657.63 : x
  2. Step 2: Convert to fraction form
    27,593.79/38,080.32 = 15,657.63/x
  3. Step 3: Cross multiply
    27,593.79x = 38,080.32 × 15,657.63
  4. Step 4: Simplify right side
    27,593.79x = 596,247,292.15
  5. Step 5: Solve for x
    x = 596,247,292.15/27,593.79
  6. Step 6: Final answer
    x = 21,608.03

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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.