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Finding the Fourth Proportional to 64,532.69, 89,055.11 and 36,238.38

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Solution

The fourth proportional to 64,532.69, 89,055.11 and 36,238.38 is: 50,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,532.69 : 89,055.11 = 36,238.38 : x
  2. Step 2: Convert to fraction form
    64,532.69/89,055.11 = 36,238.38/x
  3. Step 3: Cross multiply
    64,532.69x = 89,055.11 × 36,238.38
  4. Step 4: Simplify right side
    64,532.69x = 3,227,212,917.12
  5. Step 5: Solve for x
    x = 3,227,212,917.12/64,532.69
  6. Step 6: Final answer
    x = 50,008.96

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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.