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Finding the Fourth Proportional to 3,150.60, 4,725.32 and 958.74

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Solution

The fourth proportional to 3,150.60, 4,725.32 and 958.74 is: 1,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.60 : 4,725.32 = 958.74 : x
  2. Step 2: Convert to fraction form
    3,150.60/4,725.32 = 958.74/x
  3. Step 3: Cross multiply
    3,150.60x = 4,725.32 × 958.74
  4. Step 4: Simplify right side
    3,150.60x = 4,530,348.50
  5. Step 5: Solve for x
    x = 4,530,348.50/3,150.60
  6. Step 6: Final answer
    x = 1,437.93

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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.