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Finding the Fourth Proportional to 28,706.16, 43,062.48 and 12,063.09

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Solution

The fourth proportional to 28,706.16, 43,062.48 and 12,063.09 is: 18,096.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.16 : 43,062.48 = 12,063.09 : x
  2. Step 2: Convert to fraction form
    28,706.16/43,062.48 = 12,063.09/x
  3. Step 3: Cross multiply
    28,706.16x = 43,062.48 × 12,063.09
  4. Step 4: Simplify right side
    28,706.16x = 519,466,571.86
  5. Step 5: Solve for x
    x = 519,466,571.86/28,706.16
  6. Step 6: Final answer
    x = 18,096.00

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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.