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Finding the Fourth Proportional to 17,680.64, 26,520.48 and 4,532.48

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Solution

The fourth proportional to 17,680.64, 26,520.48 and 4,532.48 is: 6,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.64 : 26,520.48 = 4,532.48 : x
  2. Step 2: Convert to fraction form
    17,680.64/26,520.48 = 4,532.48/x
  3. Step 3: Cross multiply
    17,680.64x = 26,520.48 × 4,532.48
  4. Step 4: Simplify right side
    17,680.64x = 120,203,545.19
  5. Step 5: Solve for x
    x = 120,203,545.19/17,680.64
  6. Step 6: Final answer
    x = 6,798.60

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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.