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Finding the Fourth Proportional to 32,388.19, 44,706.89 and 18,963.76

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Solution

The fourth proportional to 32,388.19, 44,706.89 and 18,963.76 is: 26,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,388.19 : 44,706.89 = 18,963.76 : x
  2. Step 2: Convert to fraction form
    32,388.19/44,706.89 = 18,963.76/x
  3. Step 3: Cross multiply
    32,388.19x = 44,706.89 × 18,963.76
  4. Step 4: Simplify right side
    32,388.19x = 847,810,525.72
  5. Step 5: Solve for x
    x = 847,810,525.72/32,388.19
  6. Step 6: Final answer
    x = 26,176.54

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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.