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Finding the Fourth Proportional to 64,446.81, 96,668.75 and 37,960.81

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Solution

The fourth proportional to 64,446.81, 96,668.75 and 37,960.81 is: 56,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,446.81 : 96,668.75 = 37,960.81 : x
  2. Step 2: Convert to fraction form
    64,446.81/96,668.75 = 37,960.81/x
  3. Step 3: Cross multiply
    64,446.81x = 96,668.75 × 37,960.81
  4. Step 4: Simplify right side
    64,446.81x = 3,669,624,051.69
  5. Step 5: Solve for x
    x = 3,669,624,051.69/64,446.81
  6. Step 6: Final answer
    x = 56,940.35

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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.