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Finding the Fourth Proportional to 17,971.74, 26,885.34 and 15,532.74

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Solution

The fourth proportional to 17,971.74, 26,885.34 and 15,532.74 is: 23,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.74 : 26,885.34 = 15,532.74 : x
  2. Step 2: Convert to fraction form
    17,971.74/26,885.34 = 15,532.74/x
  3. Step 3: Cross multiply
    17,971.74x = 26,885.34 × 15,532.74
  4. Step 4: Simplify right side
    17,971.74x = 417,602,996.03
  5. Step 5: Solve for x
    x = 417,602,996.03/17,971.74
  6. Step 6: Final answer
    x = 23,236.65

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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.