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Finding the Fourth Proportional to 25,845.84, 35,668.36 and 14,668.88

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Solution

The fourth proportional to 25,845.84, 35,668.36 and 14,668.88 is: 20,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.84 : 35,668.36 = 14,668.88 : x
  2. Step 2: Convert to fraction form
    25,845.84/35,668.36 = 14,668.88/x
  3. Step 3: Cross multiply
    25,845.84x = 35,668.36 × 14,668.88
  4. Step 4: Simplify right side
    25,845.84x = 523,214,892.64
  5. Step 5: Solve for x
    x = 523,214,892.64/25,845.84
  6. Step 6: Final answer
    x = 20,243.68

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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.