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Finding the Fourth Proportional to 17,081.95, 25,602.81 and 7,711.03

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Solution

The fourth proportional to 17,081.95, 25,602.81 and 7,711.03 is: 11,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,081.95 : 25,602.81 = 7,711.03 : x
  2. Step 2: Convert to fraction form
    17,081.95/25,602.81 = 7,711.03/x
  3. Step 3: Cross multiply
    17,081.95x = 25,602.81 × 7,711.03
  4. Step 4: Simplify right side
    17,081.95x = 197,424,035.99
  5. Step 5: Solve for x
    x = 197,424,035.99/17,081.95
  6. Step 6: Final answer
    x = 11,557.46

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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.