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Finding the Fourth Proportional to 17,772, 26,658.16 and 6,085.32

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Solution

The fourth proportional to 17,772, 26,658.16 and 6,085.32 is: 9,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772 : 26,658.16 = 6,085.32 : x
  2. Step 2: Convert to fraction form
    17,772/26,658.16 = 6,085.32/x
  3. Step 3: Cross multiply
    17,772x = 26,658.16 × 6,085.32
  4. Step 4: Simplify right side
    17,772x = 162,223,434.21
  5. Step 5: Solve for x
    x = 162,223,434.21/17,772
  6. Step 6: Final answer
    x = 9,128.03

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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.