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Finding the Fourth Proportional to 18,152.79, 27,204.95 and 9,701.97

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Solution

The fourth proportional to 18,152.79, 27,204.95 and 9,701.97 is: 14,540.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.79 : 27,204.95 = 9,701.97 : x
  2. Step 2: Convert to fraction form
    18,152.79/27,204.95 = 9,701.97/x
  3. Step 3: Cross multiply
    18,152.79x = 27,204.95 × 9,701.97
  4. Step 4: Simplify right side
    18,152.79x = 263,941,608.75
  5. Step 5: Solve for x
    x = 263,941,608.75/18,152.79
  6. Step 6: Final answer
    x = 14,540.00

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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.