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Finding the Fourth Proportional to 6,980.37, 9,632.41 and 4,995.60

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Solution

The fourth proportional to 6,980.37, 9,632.41 and 4,995.60 is: 6,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.37 : 9,632.41 = 4,995.60 : x
  2. Step 2: Convert to fraction form
    6,980.37/9,632.41 = 4,995.60/x
  3. Step 3: Cross multiply
    6,980.37x = 9,632.41 × 4,995.60
  4. Step 4: Simplify right side
    6,980.37x = 48,119,667.40
  5. Step 5: Solve for x
    x = 48,119,667.40/6,980.37
  6. Step 6: Final answer
    x = 6,893.57

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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.