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Finding the Fourth Proportional to 6,894.69, 9,514.62 and 3,750.90

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Solution

The fourth proportional to 6,894.69, 9,514.62 and 3,750.90 is: 5,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.69 : 9,514.62 = 3,750.90 : x
  2. Step 2: Convert to fraction form
    6,894.69/9,514.62 = 3,750.90/x
  3. Step 3: Cross multiply
    6,894.69x = 9,514.62 × 3,750.90
  4. Step 4: Simplify right side
    6,894.69x = 35,688,388.16
  5. Step 5: Solve for x
    x = 35,688,388.16/6,894.69
  6. Step 6: Final answer
    x = 5,176.21

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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.