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Finding the Fourth Proportional to 32,174.08, 48,258.78 and 9,986.88

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Solution

The fourth proportional to 32,174.08, 48,258.78 and 9,986.88 is: 14,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,174.08 : 48,258.78 = 9,986.88 : x
  2. Step 2: Convert to fraction form
    32,174.08/48,258.78 = 9,986.88/x
  3. Step 3: Cross multiply
    32,174.08x = 48,258.78 × 9,986.88
  4. Step 4: Simplify right side
    32,174.08x = 481,954,644.81
  5. Step 5: Solve for x
    x = 481,954,644.81/32,174.08
  6. Step 6: Final answer
    x = 14,979.59

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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.