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Finding the Fourth Proportional to 62,700.66, 94,059.82 and 18,330.76

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Solution

The fourth proportional to 62,700.66, 94,059.82 and 18,330.76 is: 27,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,700.66 : 94,059.82 = 18,330.76 : x
  2. Step 2: Convert to fraction form
    62,700.66/94,059.82 = 18,330.76/x
  3. Step 3: Cross multiply
    62,700.66x = 94,059.82 × 18,330.76
  4. Step 4: Simplify right side
    62,700.66x = 1,724,187,986.06
  5. Step 5: Solve for x
    x = 1,724,187,986.06/62,700.66
  6. Step 6: Final answer
    x = 27,498.72

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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.