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Finding the Fourth Proportional to 17,359.98, 25,980.72 and 11,031.66

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Solution

The fourth proportional to 17,359.98, 25,980.72 and 11,031.66 is: 16,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,359.98 : 25,980.72 = 11,031.66 : x
  2. Step 2: Convert to fraction form
    17,359.98/25,980.72 = 11,031.66/x
  3. Step 3: Cross multiply
    17,359.98x = 25,980.72 × 11,031.66
  4. Step 4: Simplify right side
    17,359.98x = 286,610,469.60
  5. Step 5: Solve for x
    x = 286,610,469.60/17,359.98
  6. Step 6: Final answer
    x = 16,509.84

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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.