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Finding the Fourth Proportional to 46,668.87, 64,404.45 and 25,448.49

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Solution

The fourth proportional to 46,668.87, 64,404.45 and 25,448.49 is: 35,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,668.87 : 64,404.45 = 25,448.49 : x
  2. Step 2: Convert to fraction form
    46,668.87/64,404.45 = 25,448.49/x
  3. Step 3: Cross multiply
    46,668.87x = 64,404.45 × 25,448.49
  4. Step 4: Simplify right side
    46,668.87x = 1,638,996,001.78
  5. Step 5: Solve for x
    x = 1,638,996,001.78/46,668.87
  6. Step 6: Final answer
    x = 35,119.68

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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.