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Finding the Fourth Proportional to 61,347.71, 92,014.38 and 16,977.87

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Solution

The fourth proportional to 61,347.71, 92,014.38 and 16,977.87 is: 25,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,347.71 : 92,014.38 = 16,977.87 : x
  2. Step 2: Convert to fraction form
    61,347.71/92,014.38 = 16,977.87/x
  3. Step 3: Cross multiply
    61,347.71x = 92,014.38 × 16,977.87
  4. Step 4: Simplify right side
    61,347.71x = 1,562,208,181.77
  5. Step 5: Solve for x
    x = 1,562,208,181.77/61,347.71
  6. Step 6: Final answer
    x = 25,464.82

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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.