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Finding the Fourth Proportional to 32,883.86, 45,383.02 and 18,737.30

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Solution

The fourth proportional to 32,883.86, 45,383.02 and 18,737.30 is: 25,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,883.86 : 45,383.02 = 18,737.30 : x
  2. Step 2: Convert to fraction form
    32,883.86/45,383.02 = 18,737.30/x
  3. Step 3: Cross multiply
    32,883.86x = 45,383.02 × 18,737.30
  4. Step 4: Simplify right side
    32,883.86x = 850,355,260.65
  5. Step 5: Solve for x
    x = 850,355,260.65/32,883.86
  6. Step 6: Final answer
    x = 25,859.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.