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Finding the Fourth Proportional to 38,145, 57,230.94 and 17,083.32

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Solution

The fourth proportional to 38,145, 57,230.94 and 17,083.32 is: 25,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,145 : 57,230.94 = 17,083.32 : x
  2. Step 2: Convert to fraction form
    38,145/57,230.94 = 17,083.32/x
  3. Step 3: Cross multiply
    38,145x = 57,230.94 × 17,083.32
  4. Step 4: Simplify right side
    38,145x = 977,694,461.92
  5. Step 5: Solve for x
    x = 977,694,461.92/38,145
  6. Step 6: Final answer
    x = 25,631.00

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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.