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Finding the Fourth Proportional to 2,056.49, 3,084.63 and 670.48

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Solution

The fourth proportional to 2,056.49, 3,084.63 and 670.48 is: 1,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.49 : 3,084.63 = 670.48 : x
  2. Step 2: Convert to fraction form
    2,056.49/3,084.63 = 670.48/x
  3. Step 3: Cross multiply
    2,056.49x = 3,084.63 × 670.48
  4. Step 4: Simplify right side
    2,056.49x = 2,068,176.27
  5. Step 5: Solve for x
    x = 2,068,176.27/2,056.49
  6. Step 6: Final answer
    x = 1,005.68

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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.