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Finding the Fourth Proportional to 67,954.42, 93,779.43 and 37,740.22

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Solution

The fourth proportional to 67,954.42, 93,779.43 and 37,740.22 is: 52,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,954.42 : 93,779.43 = 37,740.22 : x
  2. Step 2: Convert to fraction form
    67,954.42/93,779.43 = 37,740.22/x
  3. Step 3: Cross multiply
    67,954.42x = 93,779.43 × 37,740.22
  4. Step 4: Simplify right side
    67,954.42x = 3,539,256,319.67
  5. Step 5: Solve for x
    x = 3,539,256,319.67/67,954.42
  6. Step 6: Final answer
    x = 52,082.80

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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.