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Finding the Fourth Proportional to 62,882.55, 94,303.77 and 20,754.81

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Solution

The fourth proportional to 62,882.55, 94,303.77 and 20,754.81 is: 31,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,882.55 : 94,303.77 = 20,754.81 : x
  2. Step 2: Convert to fraction form
    62,882.55/94,303.77 = 20,754.81/x
  3. Step 3: Cross multiply
    62,882.55x = 94,303.77 × 20,754.81
  4. Step 4: Simplify right side
    62,882.55x = 1,957,256,828.63
  5. Step 5: Solve for x
    x = 1,957,256,828.63/62,882.55
  6. Step 6: Final answer
    x = 31,125.60

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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.