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Finding the Fourth Proportional to 57,762.68, 86,678.58 and 53,062.52

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Solution

The fourth proportional to 57,762.68, 86,678.58 and 53,062.52 is: 79,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,762.68 : 86,678.58 = 53,062.52 : x
  2. Step 2: Convert to fraction form
    57,762.68/86,678.58 = 53,062.52/x
  3. Step 3: Cross multiply
    57,762.68x = 86,678.58 × 53,062.52
  4. Step 4: Simplify right side
    57,762.68x = 4,599,383,884.82
  5. Step 5: Solve for x
    x = 4,599,383,884.82/57,762.68
  6. Step 6: Final answer
    x = 79,625.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.