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Finding the Fourth Proportional to 35,979.38, 53,969.07 and 9,683.44

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Solution

The fourth proportional to 35,979.38, 53,969.07 and 9,683.44 is: 14,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.38 : 53,969.07 = 9,683.44 : x
  2. Step 2: Convert to fraction form
    35,979.38/53,969.07 = 9,683.44/x
  3. Step 3: Cross multiply
    35,979.38x = 53,969.07 × 9,683.44
  4. Step 4: Simplify right side
    35,979.38x = 522,606,098.12
  5. Step 5: Solve for x
    x = 522,606,098.12/35,979.38
  6. Step 6: Final answer
    x = 14,525.16

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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.