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Finding the Fourth Proportional to 66,741.99, 92,108.22 and 38,447.19

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Solution

The fourth proportional to 66,741.99, 92,108.22 and 38,447.19 is: 53,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741.99 : 92,108.22 = 38,447.19 : x
  2. Step 2: Convert to fraction form
    66,741.99/92,108.22 = 38,447.19/x
  3. Step 3: Cross multiply
    66,741.99x = 92,108.22 × 38,447.19
  4. Step 4: Simplify right side
    66,741.99x = 3,541,302,042.67
  5. Step 5: Solve for x
    x = 3,541,302,042.67/66,741.99
  6. Step 6: Final answer
    x = 53,059.58

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1.5x scale

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.