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Finding the Fourth Proportional to 28,847.84, 39,812.84 and 17,514.72

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Solution

The fourth proportional to 28,847.84, 39,812.84 and 17,514.72 is: 24,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.84 : 39,812.84 = 17,514.72 : x
  2. Step 2: Convert to fraction form
    28,847.84/39,812.84 = 17,514.72/x
  3. Step 3: Cross multiply
    28,847.84x = 39,812.84 × 17,514.72
  4. Step 4: Simplify right side
    28,847.84x = 697,310,745.00
  5. Step 5: Solve for x
    x = 697,310,745.00/28,847.84
  6. Step 6: Final answer
    x = 24,172.03

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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.