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Finding the Fourth Proportional to 3,093.06, 4,639.52 and 753.08

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Solution

The fourth proportional to 3,093.06, 4,639.52 and 753.08 is: 1,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.06 : 4,639.52 = 753.08 : x
  2. Step 2: Convert to fraction form
    3,093.06/4,639.52 = 753.08/x
  3. Step 3: Cross multiply
    3,093.06x = 4,639.52 × 753.08
  4. Step 4: Simplify right side
    3,093.06x = 3,493,908.41
  5. Step 5: Solve for x
    x = 3,493,908.41/3,093.06
  6. Step 6: Final answer
    x = 1,129.60

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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.