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Finding the Fourth Proportional to 48,683.60, 73,032.60 and 15,406.64

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Solution

The fourth proportional to 48,683.60, 73,032.60 and 15,406.64 is: 23,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,683.60 : 73,032.60 = 15,406.64 : x
  2. Step 2: Convert to fraction form
    48,683.60/73,032.60 = 15,406.64/x
  3. Step 3: Cross multiply
    48,683.60x = 73,032.60 × 15,406.64
  4. Step 4: Simplify right side
    48,683.60x = 1,125,186,976.46
  5. Step 5: Solve for x
    x = 1,125,186,976.46/48,683.60
  6. Step 6: Final answer
    x = 23,112.24

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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.