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Finding the Fourth Proportional to 61,779.93, 85,226.82 and 44,756.57

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Solution

The fourth proportional to 61,779.93, 85,226.82 and 44,756.57 is: 61,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,779.93 : 85,226.82 = 44,756.57 : x
  2. Step 2: Convert to fraction form
    61,779.93/85,226.82 = 44,756.57/x
  3. Step 3: Cross multiply
    61,779.93x = 85,226.82 × 44,756.57
  4. Step 4: Simplify right side
    61,779.93x = 3,814,459,709.07
  5. Step 5: Solve for x
    x = 3,814,459,709.07/61,779.93
  6. Step 6: Final answer
    x = 61,742.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.