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Finding the Fourth Proportional to 2,334.72, 3,224.68 and 1,894.88

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Solution

The fourth proportional to 2,334.72, 3,224.68 and 1,894.88 is: 2,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.72 : 3,224.68 = 1,894.88 : x
  2. Step 2: Convert to fraction form
    2,334.72/3,224.68 = 1,894.88/x
  3. Step 3: Cross multiply
    2,334.72x = 3,224.68 × 1,894.88
  4. Step 4: Simplify right side
    2,334.72x = 6,110,381.64
  5. Step 5: Solve for x
    x = 6,110,381.64/2,334.72
  6. Step 6: Final answer
    x = 2,617.18

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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.