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Finding the Fourth Proportional to 2,457.64, 3,686.86 and 996.92

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Solution

The fourth proportional to 2,457.64, 3,686.86 and 996.92 is: 1,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.64 : 3,686.86 = 996.92 : x
  2. Step 2: Convert to fraction form
    2,457.64/3,686.86 = 996.92/x
  3. Step 3: Cross multiply
    2,457.64x = 3,686.86 × 996.92
  4. Step 4: Simplify right side
    2,457.64x = 3,675,504.47
  5. Step 5: Solve for x
    x = 3,675,504.47/2,457.64
  6. Step 6: Final answer
    x = 1,495.54

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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.