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Finding the Fourth Proportional to 2,274.45, 3,409.51 and 888.67

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Solution

The fourth proportional to 2,274.45, 3,409.51 and 888.67 is: 1,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.45 : 3,409.51 = 888.67 : x
  2. Step 2: Convert to fraction form
    2,274.45/3,409.51 = 888.67/x
  3. Step 3: Cross multiply
    2,274.45x = 3,409.51 × 888.67
  4. Step 4: Simplify right side
    2,274.45x = 3,029,929.25
  5. Step 5: Solve for x
    x = 3,029,929.25/2,274.45
  6. Step 6: Final answer
    x = 1,332.16

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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.