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Finding the Fourth Proportional to 64,682.70, 89,262.86 and 35,614.33

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Solution

The fourth proportional to 64,682.70, 89,262.86 and 35,614.33 is: 49,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,682.70 : 89,262.86 = 35,614.33 : x
  2. Step 2: Convert to fraction form
    64,682.70/89,262.86 = 35,614.33/x
  3. Step 3: Cross multiply
    64,682.70x = 89,262.86 × 35,614.33
  4. Step 4: Simplify right side
    64,682.70x = 3,179,037,253.99
  5. Step 5: Solve for x
    x = 3,179,037,253.99/64,682.70
  6. Step 6: Final answer
    x = 49,148.18

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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.