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Finding the Fourth Proportional to 64,324.54, 96,500.99 and 21,628.51

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Solution

The fourth proportional to 64,324.54, 96,500.99 and 21,628.51 is: 32,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,324.54 : 96,500.99 = 21,628.51 : x
  2. Step 2: Convert to fraction form
    64,324.54/96,500.99 = 21,628.51/x
  3. Step 3: Cross multiply
    64,324.54x = 96,500.99 × 21,628.51
  4. Step 4: Simplify right side
    64,324.54x = 2,087,172,519.08
  5. Step 5: Solve for x
    x = 2,087,172,519.08/64,324.54
  6. Step 6: Final answer
    x = 32,447.53

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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.