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Finding the Fourth Proportional to 17,071.40, 25,610.70 and 7,205.60

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Solution

The fourth proportional to 17,071.40, 25,610.70 and 7,205.60 is: 10,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.40 : 25,610.70 = 7,205.60 : x
  2. Step 2: Convert to fraction form
    17,071.40/25,610.70 = 7,205.60/x
  3. Step 3: Cross multiply
    17,071.40x = 25,610.70 × 7,205.60
  4. Step 4: Simplify right side
    17,071.40x = 184,540,459.92
  5. Step 5: Solve for x
    x = 184,540,459.92/17,071.40
  6. Step 6: Final answer
    x = 10,809.92

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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.