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Finding the Fourth Proportional to 62,653.82, 93,949.63 and 19,953.68

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Solution

The fourth proportional to 62,653.82, 93,949.63 and 19,953.68 is: 29,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,653.82 : 93,949.63 = 19,953.68 : x
  2. Step 2: Convert to fraction form
    62,653.82/93,949.63 = 19,953.68/x
  3. Step 3: Cross multiply
    62,653.82x = 93,949.63 × 19,953.68
  4. Step 4: Simplify right side
    62,653.82x = 1,874,640,853.14
  5. Step 5: Solve for x
    x = 1,874,640,853.14/62,653.82
  6. Step 6: Final answer
    x = 29,920.62

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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.