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Finding the Fourth Proportional to 62,620.65, 86,418.69 and 35,762.67

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Solution

The fourth proportional to 62,620.65, 86,418.69 and 35,762.67 is: 49,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,620.65 : 86,418.69 = 35,762.67 : x
  2. Step 2: Convert to fraction form
    62,620.65/86,418.69 = 35,762.67/x
  3. Step 3: Cross multiply
    62,620.65x = 86,418.69 × 35,762.67
  4. Step 4: Simplify right side
    62,620.65x = 3,090,563,092.30
  5. Step 5: Solve for x
    x = 3,090,563,092.30/62,620.65
  6. Step 6: Final answer
    x = 49,353.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.