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Finding the Fourth Proportional to 62,450.76, 93,676.14 and 20,901

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Solution

The fourth proportional to 62,450.76, 93,676.14 and 20,901 is: 31,351.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,450.76 : 93,676.14 = 20,901 : x
  2. Step 2: Convert to fraction form
    62,450.76/93,676.14 = 20,901/x
  3. Step 3: Cross multiply
    62,450.76x = 93,676.14 × 20,901
  4. Step 4: Simplify right side
    62,450.76x = 1,957,925,002.14
  5. Step 5: Solve for x
    x = 1,957,925,002.14/62,450.76
  6. Step 6: Final answer
    x = 31,351.50

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Double scale
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Similar ratio
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1.5x scale

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.