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Finding the Fourth Proportional to 32,441.64, 48,639.97 and 12,722.19

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Solution

The fourth proportional to 32,441.64, 48,639.97 and 12,722.19 is: 19,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,441.64 : 48,639.97 = 12,722.19 : x
  2. Step 2: Convert to fraction form
    32,441.64/48,639.97 = 12,722.19/x
  3. Step 3: Cross multiply
    32,441.64x = 48,639.97 × 12,722.19
  4. Step 4: Simplify right side
    32,441.64x = 618,806,939.93
  5. Step 5: Solve for x
    x = 618,806,939.93/32,441.64
  6. Step 6: Final answer
    x = 19,074.47

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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.