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Finding the Fourth Proportional to 34,170.57, 47,157.57 and 19,065.51

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Solution

The fourth proportional to 34,170.57, 47,157.57 and 19,065.51 is: 26,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.57 : 47,157.57 = 19,065.51 : x
  2. Step 2: Convert to fraction form
    34,170.57/47,157.57 = 19,065.51/x
  3. Step 3: Cross multiply
    34,170.57x = 47,157.57 × 19,065.51
  4. Step 4: Simplify right side
    34,170.57x = 899,083,122.41
  5. Step 5: Solve for x
    x = 899,083,122.41/34,170.57
  6. Step 6: Final answer
    x = 26,311.62

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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.