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Finding the Fourth Proportional to 61,624.62, 92,436.92 and 20,071.62

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Solution

The fourth proportional to 61,624.62, 92,436.92 and 20,071.62 is: 30,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,624.62 : 92,436.92 = 20,071.62 : x
  2. Step 2: Convert to fraction form
    61,624.62/92,436.92 = 20,071.62/x
  3. Step 3: Cross multiply
    61,624.62x = 92,436.92 × 20,071.62
  4. Step 4: Simplify right side
    61,624.62x = 1,855,358,732.21
  5. Step 5: Solve for x
    x = 1,855,358,732.21/61,624.62
  6. Step 6: Final answer
    x = 30,107.43

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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.