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Finding the Fourth Proportional to 6,894.72, 9,514.73 and 3,750.91

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Solution

The fourth proportional to 6,894.72, 9,514.73 and 3,750.91 is: 5,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.72 : 9,514.73 = 3,750.91 : x
  2. Step 2: Convert to fraction form
    6,894.72/9,514.73 = 3,750.91/x
  3. Step 3: Cross multiply
    6,894.72x = 9,514.73 × 3,750.91
  4. Step 4: Simplify right side
    6,894.72x = 35,688,881.49
  5. Step 5: Solve for x
    x = 35,688,881.49/6,894.72
  6. Step 6: Final answer
    x = 5,176.26

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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.