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Finding the Fourth Proportional to 66,709.50, 92,082.52 and 41,235.42

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Solution

The fourth proportional to 66,709.50, 92,082.52 and 41,235.42 is: 56,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,709.50 : 92,082.52 = 41,235.42 : x
  2. Step 2: Convert to fraction form
    66,709.50/92,082.52 = 41,235.42/x
  3. Step 3: Cross multiply
    66,709.50x = 92,082.52 × 41,235.42
  4. Step 4: Simplify right side
    66,709.50x = 3,797,061,386.86
  5. Step 5: Solve for x
    x = 3,797,061,386.86/66,709.50
  6. Step 6: Final answer
    x = 56,919.35

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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.