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Finding the Fourth Proportional to 62,716.05, 86,548.17 and 35,859.08

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Solution

The fourth proportional to 62,716.05, 86,548.17 and 35,859.08 is: 49,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,716.05 : 86,548.17 = 35,859.08 : x
  2. Step 2: Convert to fraction form
    62,716.05/86,548.17 = 35,859.08/x
  3. Step 3: Cross multiply
    62,716.05x = 86,548.17 × 35,859.08
  4. Step 4: Simplify right side
    62,716.05x = 3,103,537,751.88
  5. Step 5: Solve for x
    x = 3,103,537,751.88/62,716.05
  6. Step 6: Final answer
    x = 49,485.54

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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.