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Finding the Fourth Proportional to 57,168.76, 78,893.28 and 32,018.26

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Solution

The fourth proportional to 57,168.76, 78,893.28 and 32,018.26 is: 44,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,168.76 : 78,893.28 = 32,018.26 : x
  2. Step 2: Convert to fraction form
    57,168.76/78,893.28 = 32,018.26/x
  3. Step 3: Cross multiply
    57,168.76x = 78,893.28 × 32,018.26
  4. Step 4: Simplify right side
    57,168.76x = 2,526,025,551.29
  5. Step 5: Solve for x
    x = 2,526,025,551.29/57,168.76
  6. Step 6: Final answer
    x = 44,185.42

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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.