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Finding the Fourth Proportional to 57,350.70, 86,038.20 and 17,366.40

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Solution

The fourth proportional to 57,350.70, 86,038.20 and 17,366.40 is: 26,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,350.70 : 86,038.20 = 17,366.40 : x
  2. Step 2: Convert to fraction form
    57,350.70/86,038.20 = 17,366.40/x
  3. Step 3: Cross multiply
    57,350.70x = 86,038.20 × 17,366.40
  4. Step 4: Simplify right side
    57,350.70x = 1,494,173,796.48
  5. Step 5: Solve for x
    x = 1,494,173,796.48/57,350.70
  6. Step 6: Final answer
    x = 26,053.28

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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.