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Finding the Fourth Proportional to 4,899.96, 6,762.02 and 2,661.86

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Solution

The fourth proportional to 4,899.96, 6,762.02 and 2,661.86 is: 3,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.96 : 6,762.02 = 2,661.86 : x
  2. Step 2: Convert to fraction form
    4,899.96/6,762.02 = 2,661.86/x
  3. Step 3: Cross multiply
    4,899.96x = 6,762.02 × 2,661.86
  4. Step 4: Simplify right side
    4,899.96x = 17,999,554.15
  5. Step 5: Solve for x
    x = 17,999,554.15/4,899.96
  6. Step 6: Final answer
    x = 3,673.41

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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.