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Finding the Fourth Proportional to 62,289.75, 93,434.63 and 20,736.75

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Solution

The fourth proportional to 62,289.75, 93,434.63 and 20,736.75 is: 31,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,289.75 : 93,434.63 = 20,736.75 : x
  2. Step 2: Convert to fraction form
    62,289.75/93,434.63 = 20,736.75/x
  3. Step 3: Cross multiply
    62,289.75x = 93,434.63 × 20,736.75
  4. Step 4: Simplify right side
    62,289.75x = 1,937,530,563.65
  5. Step 5: Solve for x
    x = 1,937,530,563.65/62,289.75
  6. Step 6: Final answer
    x = 31,105.13

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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.