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Finding the Fourth Proportional to 62,110, 93,179.58 and 20,557

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Solution

The fourth proportional to 62,110, 93,179.58 and 20,557 is: 30,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,110 : 93,179.58 = 20,557 : x
  2. Step 2: Convert to fraction form
    62,110/93,179.58 = 20,557/x
  3. Step 3: Cross multiply
    62,110x = 93,179.58 × 20,557
  4. Step 4: Simplify right side
    62,110x = 1,915,492,626.06
  5. Step 5: Solve for x
    x = 1,915,492,626.06/62,110
  6. Step 6: Final answer
    x = 30,840.33

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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.