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Finding the Fourth Proportional to 2,210.48, 3,314.47 and 894.86

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Solution

The fourth proportional to 2,210.48, 3,314.47 and 894.86 is: 1,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.48 : 3,314.47 = 894.86 : x
  2. Step 2: Convert to fraction form
    2,210.48/3,314.47 = 894.86/x
  3. Step 3: Cross multiply
    2,210.48x = 3,314.47 × 894.86
  4. Step 4: Simplify right side
    2,210.48x = 2,965,986.62
  5. Step 5: Solve for x
    x = 2,965,986.62/2,210.48
  6. Step 6: Final answer
    x = 1,341.78

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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.