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Finding the Fourth Proportional to 62,107.70, 85,709.76 and 33,813.86

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Solution

The fourth proportional to 62,107.70, 85,709.76 and 33,813.86 is: 46,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,107.70 : 85,709.76 = 33,813.86 : x
  2. Step 2: Convert to fraction form
    62,107.70/85,709.76 = 33,813.86/x
  3. Step 3: Cross multiply
    62,107.70x = 85,709.76 × 33,813.86
  4. Step 4: Simplify right side
    62,107.70x = 2,898,177,825.27
  5. Step 5: Solve for x
    x = 2,898,177,825.27/62,107.70
  6. Step 6: Final answer
    x = 46,663.74

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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.