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Finding the Fourth Proportional to 4,951.74, 7,427.37 and 1,873.50

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Solution

The fourth proportional to 4,951.74, 7,427.37 and 1,873.50 is: 2,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.74 : 7,427.37 = 1,873.50 : x
  2. Step 2: Convert to fraction form
    4,951.74/7,427.37 = 1,873.50/x
  3. Step 3: Cross multiply
    4,951.74x = 7,427.37 × 1,873.50
  4. Step 4: Simplify right side
    4,951.74x = 13,915,177.70
  5. Step 5: Solve for x
    x = 13,915,177.70/4,951.74
  6. Step 6: Final answer
    x = 2,810.16

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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.