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Finding the Fourth Proportional to 3,116.09, 4,674.42 and 894.95

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Solution

The fourth proportional to 3,116.09, 4,674.42 and 894.95 is: 1,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.09 : 4,674.42 = 894.95 : x
  2. Step 2: Convert to fraction form
    3,116.09/4,674.42 = 894.95/x
  3. Step 3: Cross multiply
    3,116.09x = 4,674.42 × 894.95
  4. Step 4: Simplify right side
    3,116.09x = 4,183,366.34
  5. Step 5: Solve for x
    x = 4,183,366.34/3,116.09
  6. Step 6: Final answer
    x = 1,342.50

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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.