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Finding the Fourth Proportional to 62,674.28, 86,489.70 and 35,816.48

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Solution

The fourth proportional to 62,674.28, 86,489.70 and 35,816.48 is: 49,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,674.28 : 86,489.70 = 35,816.48 : x
  2. Step 2: Convert to fraction form
    62,674.28/86,489.70 = 35,816.48/x
  3. Step 3: Cross multiply
    62,674.28x = 86,489.70 × 35,816.48
  4. Step 4: Simplify right side
    62,674.28x = 3,097,756,610.26
  5. Step 5: Solve for x
    x = 3,097,756,610.26/62,674.28
  6. Step 6: Final answer
    x = 49,426.28

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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.