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Finding the Fourth Proportional to 61,328.29, 92,028.12 and 25,787.03

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Solution

The fourth proportional to 61,328.29, 92,028.12 and 25,787.03 is: 38,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,328.29 : 92,028.12 = 25,787.03 : x
  2. Step 2: Convert to fraction form
    61,328.29/92,028.12 = 25,787.03/x
  3. Step 3: Cross multiply
    61,328.29x = 92,028.12 × 25,787.03
  4. Step 4: Simplify right side
    61,328.29x = 2,373,132,328.51
  5. Step 5: Solve for x
    x = 2,373,132,328.51/61,328.29
  6. Step 6: Final answer
    x = 38,695.56

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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.