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Finding the Fourth Proportional to 4,993.60, 7,489.11 and 1,482.77

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Solution

The fourth proportional to 4,993.60, 7,489.11 and 1,482.77 is: 2,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.60 : 7,489.11 = 1,482.77 : x
  2. Step 2: Convert to fraction form
    4,993.60/7,489.11 = 1,482.77/x
  3. Step 3: Cross multiply
    4,993.60x = 7,489.11 × 1,482.77
  4. Step 4: Simplify right side
    4,993.60x = 11,104,627.63
  5. Step 5: Solve for x
    x = 11,104,627.63/4,993.60
  6. Step 6: Final answer
    x = 2,223.77

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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.