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Finding the Fourth Proportional to 3,573.92, 4,932.05 and 1,980.62

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Solution

The fourth proportional to 3,573.92, 4,932.05 and 1,980.62 is: 2,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.92 : 4,932.05 = 1,980.62 : x
  2. Step 2: Convert to fraction form
    3,573.92/4,932.05 = 1,980.62/x
  3. Step 3: Cross multiply
    3,573.92x = 4,932.05 × 1,980.62
  4. Step 4: Simplify right side
    3,573.92x = 9,768,482.31
  5. Step 5: Solve for x
    x = 9,768,482.31/3,573.92
  6. Step 6: Final answer
    x = 2,733.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.