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Finding the Fourth Proportional to 32,381.76, 44,683.08 and 18,039.30

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Solution

The fourth proportional to 32,381.76, 44,683.08 and 18,039.30 is: 24,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,381.76 : 44,683.08 = 18,039.30 : x
  2. Step 2: Convert to fraction form
    32,381.76/44,683.08 = 18,039.30/x
  3. Step 3: Cross multiply
    32,381.76x = 44,683.08 × 18,039.30
  4. Step 4: Simplify right side
    32,381.76x = 806,051,485.04
  5. Step 5: Solve for x
    x = 806,051,485.04/32,381.76
  6. Step 6: Final answer
    x = 24,892.15

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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.