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Finding the Fourth Proportional to 39,668.76, 59,423.76 and 23,865.06

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Solution

The fourth proportional to 39,668.76, 59,423.76 and 23,865.06 is: 35,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,668.76 : 59,423.76 = 23,865.06 : x
  2. Step 2: Convert to fraction form
    39,668.76/59,423.76 = 23,865.06/x
  3. Step 3: Cross multiply
    39,668.76x = 59,423.76 × 23,865.06
  4. Step 4: Simplify right side
    39,668.76x = 1,418,151,597.83
  5. Step 5: Solve for x
    x = 1,418,151,597.83/39,668.76
  6. Step 6: Final answer
    x = 35,749.83

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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.