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Finding the Fourth Proportional to 61,779.68, 92,669.34 and 22,336.82

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Solution

The fourth proportional to 61,779.68, 92,669.34 and 22,336.82 is: 33,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,779.68 : 92,669.34 = 22,336.82 : x
  2. Step 2: Convert to fraction form
    61,779.68/92,669.34 = 22,336.82/x
  3. Step 3: Cross multiply
    61,779.68x = 92,669.34 × 22,336.82
  4. Step 4: Simplify right side
    61,779.68x = 2,069,938,367.10
  5. Step 5: Solve for x
    x = 2,069,938,367.10/61,779.68
  6. Step 6: Final answer
    x = 33,505.16

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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.