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Finding the Fourth Proportional to 62,324.94, 85,980.98 and 42,174.78

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Solution

The fourth proportional to 62,324.94, 85,980.98 and 42,174.78 is: 58,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,324.94 : 85,980.98 = 42,174.78 : x
  2. Step 2: Convert to fraction form
    62,324.94/85,980.98 = 42,174.78/x
  3. Step 3: Cross multiply
    62,324.94x = 85,980.98 × 42,174.78
  4. Step 4: Simplify right side
    62,324.94x = 3,626,228,704.81
  5. Step 5: Solve for x
    x = 3,626,228,704.81/62,324.94
  6. Step 6: Final answer
    x = 58,182.63

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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.