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Finding the Fourth Proportional to 6,653.36, 9,980.04 and 3,693.62

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Solution

The fourth proportional to 6,653.36, 9,980.04 and 3,693.62 is: 5,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.36 : 9,980.04 = 3,693.62 : x
  2. Step 2: Convert to fraction form
    6,653.36/9,980.04 = 3,693.62/x
  3. Step 3: Cross multiply
    6,653.36x = 9,980.04 × 3,693.62
  4. Step 4: Simplify right side
    6,653.36x = 36,862,475.34
  5. Step 5: Solve for x
    x = 36,862,475.34/6,653.36
  6. Step 6: Final answer
    x = 5,540.43

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.