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Finding the Fourth Proportional to 3,674.79, 5,512.59 and 1,483.56

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Solution

The fourth proportional to 3,674.79, 5,512.59 and 1,483.56 is: 2,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.79 : 5,512.59 = 1,483.56 : x
  2. Step 2: Convert to fraction form
    3,674.79/5,512.59 = 1,483.56/x
  3. Step 3: Cross multiply
    3,674.79x = 5,512.59 × 1,483.56
  4. Step 4: Simplify right side
    3,674.79x = 8,178,258.02
  5. Step 5: Solve for x
    x = 8,178,258.02/3,674.79
  6. Step 6: Final answer
    x = 2,225.50

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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.