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Finding the Fourth Proportional to 32,047.64, 48,076.70 and 9,861.03

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Solution

The fourth proportional to 32,047.64, 48,076.70 and 9,861.03 is: 14,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,047.64 : 48,076.70 = 9,861.03 : x
  2. Step 2: Convert to fraction form
    32,047.64/48,076.70 = 9,861.03/x
  3. Step 3: Cross multiply
    32,047.64x = 48,076.70 × 9,861.03
  4. Step 4: Simplify right side
    32,047.64x = 474,085,975.26
  5. Step 5: Solve for x
    x = 474,085,975.26/32,047.64
  6. Step 6: Final answer
    x = 14,793.16

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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.