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Finding the Fourth Proportional to 48,683.64, 73,025.60 and 13,623.60

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Solution

The fourth proportional to 48,683.64, 73,025.60 and 13,623.60 is: 20,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,683.64 : 73,025.60 = 13,623.60 : x
  2. Step 2: Convert to fraction form
    48,683.64/73,025.60 = 13,623.60/x
  3. Step 3: Cross multiply
    48,683.64x = 73,025.60 × 13,623.60
  4. Step 4: Simplify right side
    48,683.64x = 994,871,564.16
  5. Step 5: Solve for x
    x = 994,871,564.16/48,683.64
  6. Step 6: Final answer
    x = 20,435.44

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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.