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Finding the Fourth Proportional to 2,832.84, 4,248.45 and 983.48

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Solution

The fourth proportional to 2,832.84, 4,248.45 and 983.48 is: 1,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.84 : 4,248.45 = 983.48 : x
  2. Step 2: Convert to fraction form
    2,832.84/4,248.45 = 983.48/x
  3. Step 3: Cross multiply
    2,832.84x = 4,248.45 × 983.48
  4. Step 4: Simplify right side
    2,832.84x = 4,178,244.36
  5. Step 5: Solve for x
    x = 4,178,244.36/2,832.84
  6. Step 6: Final answer
    x = 1,474.93

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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.