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Finding the Fourth Proportional to 4,667.40, 7,000.40 and 1,745.01

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Solution

The fourth proportional to 4,667.40, 7,000.40 and 1,745.01 is: 2,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.40 : 7,000.40 = 1,745.01 : x
  2. Step 2: Convert to fraction form
    4,667.40/7,000.40 = 1,745.01/x
  3. Step 3: Cross multiply
    4,667.40x = 7,000.40 × 1,745.01
  4. Step 4: Simplify right side
    4,667.40x = 12,215,772.37
  5. Step 5: Solve for x
    x = 12,215,772.37/4,667.40
  6. Step 6: Final answer
    x = 2,617.25

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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.