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Finding the Fourth Proportional to 2,483.79, 3,725.69 and 841.49

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Solution

The fourth proportional to 2,483.79, 3,725.69 and 841.49 is: 1,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.79 : 3,725.69 = 841.49 : x
  2. Step 2: Convert to fraction form
    2,483.79/3,725.69 = 841.49/x
  3. Step 3: Cross multiply
    2,483.79x = 3,725.69 × 841.49
  4. Step 4: Simplify right side
    2,483.79x = 3,135,135.98
  5. Step 5: Solve for x
    x = 3,135,135.98/2,483.79
  6. Step 6: Final answer
    x = 1,262.24

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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.