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Finding the Fourth Proportional to 62,856, 94,289.67 and 16,109.28

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Solution

The fourth proportional to 62,856, 94,289.67 and 16,109.28 is: 24,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,856 : 94,289.67 = 16,109.28 : x
  2. Step 2: Convert to fraction form
    62,856/94,289.67 = 16,109.28/x
  3. Step 3: Cross multiply
    62,856x = 94,289.67 × 16,109.28
  4. Step 4: Simplify right side
    62,856x = 1,518,938,695.14
  5. Step 5: Solve for x
    x = 1,518,938,695.14/62,856
  6. Step 6: Final answer
    x = 24,165.37

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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.