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Finding the Fourth Proportional to 62,145.86, 85,760.84 and 33,851.54

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Solution

The fourth proportional to 62,145.86, 85,760.84 and 33,851.54 is: 46,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,145.86 : 85,760.84 = 33,851.54 : x
  2. Step 2: Convert to fraction form
    62,145.86/85,760.84 = 33,851.54/x
  3. Step 3: Cross multiply
    62,145.86x = 85,760.84 × 33,851.54
  4. Step 4: Simplify right side
    62,145.86x = 2,903,136,804.72
  5. Step 5: Solve for x
    x = 2,903,136,804.72/62,145.86
  6. Step 6: Final answer
    x = 46,714.89

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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.