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Finding the Fourth Proportional to 4,170.16, 6,255.12 and 1,050.16

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Solution

The fourth proportional to 4,170.16, 6,255.12 and 1,050.16 is: 1,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.16 : 6,255.12 = 1,050.16 : x
  2. Step 2: Convert to fraction form
    4,170.16/6,255.12 = 1,050.16/x
  3. Step 3: Cross multiply
    4,170.16x = 6,255.12 × 1,050.16
  4. Step 4: Simplify right side
    4,170.16x = 6,568,876.82
  5. Step 5: Solve for x
    x = 6,568,876.82/4,170.16
  6. Step 6: Final answer
    x = 1,575.21

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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.