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Finding the Fourth Proportional to 17,955.16, 26,920.59 and 6,262

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Solution

The fourth proportional to 17,955.16, 26,920.59 and 6,262 is: 9,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.16 : 26,920.59 = 6,262 : x
  2. Step 2: Convert to fraction form
    17,955.16/26,920.59 = 6,262/x
  3. Step 3: Cross multiply
    17,955.16x = 26,920.59 × 6,262
  4. Step 4: Simplify right side
    17,955.16x = 168,576,734.58
  5. Step 5: Solve for x
    x = 168,576,734.58/17,955.16
  6. Step 6: Final answer
    x = 9,388.76

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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.