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Finding the Fourth Proportional to 18,253.01, 25,194.54 and 10,700.98

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Solution

The fourth proportional to 18,253.01, 25,194.54 and 10,700.98 is: 14,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.01 : 25,194.54 = 10,700.98 : x
  2. Step 2: Convert to fraction form
    18,253.01/25,194.54 = 10,700.98/x
  3. Step 3: Cross multiply
    18,253.01x = 25,194.54 × 10,700.98
  4. Step 4: Simplify right side
    18,253.01x = 269,606,245.79
  5. Step 5: Solve for x
    x = 269,606,245.79/18,253.01
  6. Step 6: Final answer
    x = 14,770.51

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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.