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Finding the Fourth Proportional to 54,668.70, 75,441.69 and 30,795.30

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Solution

The fourth proportional to 54,668.70, 75,441.69 and 30,795.30 is: 42,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,668.70 : 75,441.69 = 30,795.30 : x
  2. Step 2: Convert to fraction form
    54,668.70/75,441.69 = 30,795.30/x
  3. Step 3: Cross multiply
    54,668.70x = 75,441.69 × 30,795.30
  4. Step 4: Simplify right side
    54,668.70x = 2,323,249,476.06
  5. Step 5: Solve for x
    x = 2,323,249,476.06/54,668.70
  6. Step 6: Final answer
    x = 42,496.89

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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.