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Finding the Fourth Proportional to 62,473.95, 93,710.86 and 20,353.98

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Solution

The fourth proportional to 62,473.95, 93,710.86 and 20,353.98 is: 30,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,473.95 : 93,710.86 = 20,353.98 : x
  2. Step 2: Convert to fraction form
    62,473.95/93,710.86 = 20,353.98/x
  3. Step 3: Cross multiply
    62,473.95x = 93,710.86 × 20,353.98
  4. Step 4: Simplify right side
    62,473.95x = 1,907,389,270.75
  5. Step 5: Solve for x
    x = 1,907,389,270.75/62,473.95
  6. Step 6: Final answer
    x = 30,530.95

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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.