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Finding the Fourth Proportional to 7,057.61, 9,735.26 and 4,667.64

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Solution

The fourth proportional to 7,057.61, 9,735.26 and 4,667.64 is: 6,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.61 : 9,735.26 = 4,667.64 : x
  2. Step 2: Convert to fraction form
    7,057.61/9,735.26 = 4,667.64/x
  3. Step 3: Cross multiply
    7,057.61x = 9,735.26 × 4,667.64
  4. Step 4: Simplify right side
    7,057.61x = 45,440,688.99
  5. Step 5: Solve for x
    x = 45,440,688.99/7,057.61
  6. Step 6: Final answer
    x = 6,438.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.