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Finding the Fourth Proportional to 18,659.90, 25,753.02 and 10,701.95

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Solution

The fourth proportional to 18,659.90, 25,753.02 and 10,701.95 is: 14,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.90 : 25,753.02 = 10,701.95 : x
  2. Step 2: Convert to fraction form
    18,659.90/25,753.02 = 10,701.95/x
  3. Step 3: Cross multiply
    18,659.90x = 25,753.02 × 10,701.95
  4. Step 4: Simplify right side
    18,659.90x = 275,607,588.83
  5. Step 5: Solve for x
    x = 275,607,588.83/18,659.90
  6. Step 6: Final answer
    x = 14,770.05

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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.