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Finding the Fourth Proportional to 32,579.32, 44,960.48 and 18,431.88

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Solution

The fourth proportional to 32,579.32, 44,960.48 and 18,431.88 is: 25,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,579.32 : 44,960.48 = 18,431.88 : x
  2. Step 2: Convert to fraction form
    32,579.32/44,960.48 = 18,431.88/x
  3. Step 3: Cross multiply
    32,579.32x = 44,960.48 × 18,431.88
  4. Step 4: Simplify right side
    32,579.32x = 828,706,172.10
  5. Step 5: Solve for x
    x = 828,706,172.10/32,579.32
  6. Step 6: Final answer
    x = 25,436.57

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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.