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Finding the Fourth Proportional to 17,774.53, 26,661.70 and 4,626.88

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Solution

The fourth proportional to 17,774.53, 26,661.70 and 4,626.88 is: 6,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,774.53 : 26,661.70 = 4,626.88 : x
  2. Step 2: Convert to fraction form
    17,774.53/26,661.70 = 4,626.88/x
  3. Step 3: Cross multiply
    17,774.53x = 26,661.70 × 4,626.88
  4. Step 4: Simplify right side
    17,774.53x = 123,360,486.50
  5. Step 5: Solve for x
    x = 123,360,486.50/17,774.53
  6. Step 6: Final answer
    x = 6,940.30

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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.