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Finding the Fourth Proportional to 17,142.54, 25,701.71 and 6,603.73

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Solution

The fourth proportional to 17,142.54, 25,701.71 and 6,603.73 is: 9,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.54 : 25,701.71 = 6,603.73 : x
  2. Step 2: Convert to fraction form
    17,142.54/25,701.71 = 6,603.73/x
  3. Step 3: Cross multiply
    17,142.54x = 25,701.71 × 6,603.73
  4. Step 4: Simplify right side
    17,142.54x = 169,727,056.11
  5. Step 5: Solve for x
    x = 169,727,056.11/17,142.54
  6. Step 6: Final answer
    x = 9,900.93

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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.