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Finding the Fourth Proportional to 5,905.17, 8,858.72 and 1,745.59

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Solution

The fourth proportional to 5,905.17, 8,858.72 and 1,745.59 is: 2,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.17 : 8,858.72 = 1,745.59 : x
  2. Step 2: Convert to fraction form
    5,905.17/8,858.72 = 1,745.59/x
  3. Step 3: Cross multiply
    5,905.17x = 8,858.72 × 1,745.59
  4. Step 4: Simplify right side
    5,905.17x = 15,463,693.04
  5. Step 5: Solve for x
    x = 15,463,693.04/5,905.17
  6. Step 6: Final answer
    x = 2,618.67

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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.