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Finding the Fourth Proportional to 28,797.56, 43,098.40 and 17,698.40

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Solution

The fourth proportional to 28,797.56, 43,098.40 and 17,698.40 is: 26,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.56 : 43,098.40 = 17,698.40 : x
  2. Step 2: Convert to fraction form
    28,797.56/43,098.40 = 17,698.40/x
  3. Step 3: Cross multiply
    28,797.56x = 43,098.40 × 17,698.40
  4. Step 4: Simplify right side
    28,797.56x = 762,772,722.56
  5. Step 5: Solve for x
    x = 762,772,722.56/28,797.56
  6. Step 6: Final answer
    x = 26,487.41

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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.