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Finding the Fourth Proportional to 17,071.56, 23,558.70 and 9,619.56

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Solution

The fourth proportional to 17,071.56, 23,558.70 and 9,619.56 is: 13,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.56 : 23,558.70 = 9,619.56 : x
  2. Step 2: Convert to fraction form
    17,071.56/23,558.70 = 9,619.56/x
  3. Step 3: Cross multiply
    17,071.56x = 23,558.70 × 9,619.56
  4. Step 4: Simplify right side
    17,071.56x = 226,624,328.17
  5. Step 5: Solve for x
    x = 226,624,328.17/17,071.56
  6. Step 6: Final answer
    x = 13,274.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.