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Finding the Fourth Proportional to 29,683.54, 44,509.08 and 12,138.94

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Solution

The fourth proportional to 29,683.54, 44,509.08 and 12,138.94 is: 18,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,683.54 : 44,509.08 = 12,138.94 : x
  2. Step 2: Convert to fraction form
    29,683.54/44,509.08 = 12,138.94/x
  3. Step 3: Cross multiply
    29,683.54x = 44,509.08 × 12,138.94
  4. Step 4: Simplify right side
    29,683.54x = 540,293,051.58
  5. Step 5: Solve for x
    x = 540,293,051.58/29,683.54
  6. Step 6: Final answer
    x = 18,201.77

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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.