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Finding the Fourth Proportional to 28,797.63, 43,200.08 and 11,265.18

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Solution

The fourth proportional to 28,797.63, 43,200.08 and 11,265.18 is: 16,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.63 : 43,200.08 = 11,265.18 : x
  2. Step 2: Convert to fraction form
    28,797.63/43,200.08 = 11,265.18/x
  3. Step 3: Cross multiply
    28,797.63x = 43,200.08 × 11,265.18
  4. Step 4: Simplify right side
    28,797.63x = 486,656,620.89
  5. Step 5: Solve for x
    x = 486,656,620.89/28,797.63
  6. Step 6: Final answer
    x = 16,899.19

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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.