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Finding the Fourth Proportional to 64,602.75, 96,900.02 and 20,228.52

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Solution

The fourth proportional to 64,602.75, 96,900.02 and 20,228.52 is: 30,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,602.75 : 96,900.02 = 20,228.52 : x
  2. Step 2: Convert to fraction form
    64,602.75/96,900.02 = 20,228.52/x
  3. Step 3: Cross multiply
    64,602.75x = 96,900.02 × 20,228.52
  4. Step 4: Simplify right side
    64,602.75x = 1,960,143,891.43
  5. Step 5: Solve for x
    x = 1,960,143,891.43/64,602.75
  6. Step 6: Final answer
    x = 30,341.49

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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.