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Finding the Fourth Proportional to 57,173.40, 85,763.34 and 17,736.12

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Solution

The fourth proportional to 57,173.40, 85,763.34 and 17,736.12 is: 26,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,173.40 : 85,763.34 = 17,736.12 : x
  2. Step 2: Convert to fraction form
    57,173.40/85,763.34 = 17,736.12/x
  3. Step 3: Cross multiply
    57,173.40x = 85,763.34 × 17,736.12
  4. Step 4: Simplify right side
    57,173.40x = 1,521,108,889.84
  5. Step 5: Solve for x
    x = 1,521,108,889.84/57,173.40
  6. Step 6: Final answer
    x = 26,605.19

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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.