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Finding the Fourth Proportional to 17,071.52, 25,591.50 and 10,812.60

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Solution

The fourth proportional to 17,071.52, 25,591.50 and 10,812.60 is: 16,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.52 : 25,591.50 = 10,812.60 : x
  2. Step 2: Convert to fraction form
    17,071.52/25,591.50 = 10,812.60/x
  3. Step 3: Cross multiply
    17,071.52x = 25,591.50 × 10,812.60
  4. Step 4: Simplify right side
    17,071.52x = 276,710,652.90
  5. Step 5: Solve for x
    x = 276,710,652.90/17,071.52
  6. Step 6: Final answer
    x = 16,208.91

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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.