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Finding the Fourth Proportional to 17,004.60, 25,506.90 and 15,911.10

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Solution

The fourth proportional to 17,004.60, 25,506.90 and 15,911.10 is: 23,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,004.60 : 25,506.90 = 15,911.10 : x
  2. Step 2: Convert to fraction form
    17,004.60/25,506.90 = 15,911.10/x
  3. Step 3: Cross multiply
    17,004.60x = 25,506.90 × 15,911.10
  4. Step 4: Simplify right side
    17,004.60x = 405,842,836.59
  5. Step 5: Solve for x
    x = 405,842,836.59/17,004.60
  6. Step 6: Final answer
    x = 23,866.65

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Similar ratio
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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.