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Finding the Fourth Proportional to 62,235, 93,352.50 and 18,459

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Solution

The fourth proportional to 62,235, 93,352.50 and 18,459 is: 27,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,235 : 93,352.50 = 18,459 : x
  2. Step 2: Convert to fraction form
    62,235/93,352.50 = 18,459/x
  3. Step 3: Cross multiply
    62,235x = 93,352.50 × 18,459
  4. Step 4: Simplify right side
    62,235x = 1,723,193,797.50
  5. Step 5: Solve for x
    x = 1,723,193,797.50/62,235
  6. Step 6: Final answer
    x = 27,688.50

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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.