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Finding the Fourth Proportional to 61,603.11, 92,403.03 and 17,228.88

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Solution

The fourth proportional to 61,603.11, 92,403.03 and 17,228.88 is: 25,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,603.11 : 92,403.03 = 17,228.88 : x
  2. Step 2: Convert to fraction form
    61,603.11/92,403.03 = 17,228.88/x
  3. Step 3: Cross multiply
    61,603.11x = 92,403.03 × 17,228.88
  4. Step 4: Simplify right side
    61,603.11x = 1,592,000,715.51
  5. Step 5: Solve for x
    x = 1,592,000,715.51/61,603.11
  6. Step 6: Final answer
    x = 25,842.86

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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.