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Finding the Fourth Proportional to 32,181.42, 44,412.81 and 18,571.89

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Solution

The fourth proportional to 32,181.42, 44,412.81 and 18,571.89 is: 25,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,181.42 : 44,412.81 = 18,571.89 : x
  2. Step 2: Convert to fraction form
    32,181.42/44,412.81 = 18,571.89/x
  3. Step 3: Cross multiply
    32,181.42x = 44,412.81 × 18,571.89
  4. Step 4: Simplify right side
    32,181.42x = 824,829,821.91
  5. Step 5: Solve for x
    x = 824,829,821.91/32,181.42
  6. Step 6: Final answer
    x = 25,630.62

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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.