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Finding the Fourth Proportional to 17,687.01, 26,423.52 and 11,395.74

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Solution

The fourth proportional to 17,687.01, 26,423.52 and 11,395.74 is: 17,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.01 : 26,423.52 = 11,395.74 : x
  2. Step 2: Convert to fraction form
    17,687.01/26,423.52 = 11,395.74/x
  3. Step 3: Cross multiply
    17,687.01x = 26,423.52 × 11,395.74
  4. Step 4: Simplify right side
    17,687.01x = 301,115,563.80
  5. Step 5: Solve for x
    x = 301,115,563.80/17,687.01
  6. Step 6: Final answer
    x = 17,024.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.