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Finding the Fourth Proportional to 1,482.63, 2,039.92 and 1,446.18

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Solution

The fourth proportional to 1,482.63, 2,039.92 and 1,446.18 is: 1,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.63 : 2,039.92 = 1,446.18 : x
  2. Step 2: Convert to fraction form
    1,482.63/2,039.92 = 1,446.18/x
  3. Step 3: Cross multiply
    1,482.63x = 2,039.92 × 1,446.18
  4. Step 4: Simplify right side
    1,482.63x = 2,950,091.51
  5. Step 5: Solve for x
    x = 2,950,091.51/1,482.63
  6. Step 6: Final answer
    x = 1,989.77

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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.