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Finding the Fourth Proportional to 4,437.60, 6,657.92 and 1,974.12

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Solution

The fourth proportional to 4,437.60, 6,657.92 and 1,974.12 is: 2,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.60 : 6,657.92 = 1,974.12 : x
  2. Step 2: Convert to fraction form
    4,437.60/6,657.92 = 1,974.12/x
  3. Step 3: Cross multiply
    4,437.60x = 6,657.92 × 1,974.12
  4. Step 4: Simplify right side
    4,437.60x = 13,143,533.03
  5. Step 5: Solve for x
    x = 13,143,533.03/4,437.60
  6. Step 6: Final answer
    x = 2,961.86

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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.