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Finding the Fourth Proportional to 61,676.87, 92,521.11 and 17,303.45

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Solution

The fourth proportional to 61,676.87, 92,521.11 and 17,303.45 is: 25,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,676.87 : 92,521.11 = 17,303.45 : x
  2. Step 2: Convert to fraction form
    61,676.87/92,521.11 = 17,303.45/x
  3. Step 3: Cross multiply
    61,676.87x = 92,521.11 × 17,303.45
  4. Step 4: Simplify right side
    61,676.87x = 1,600,934,400.83
  5. Step 5: Solve for x
    x = 1,600,934,400.83/61,676.87
  6. Step 6: Final answer
    x = 25,956.80

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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.