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Finding the Fourth Proportional to 3,241.86, 4,862.80 and 1,050.72

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Solution

The fourth proportional to 3,241.86, 4,862.80 and 1,050.72 is: 1,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.86 : 4,862.80 = 1,050.72 : x
  2. Step 2: Convert to fraction form
    3,241.86/4,862.80 = 1,050.72/x
  3. Step 3: Cross multiply
    3,241.86x = 4,862.80 × 1,050.72
  4. Step 4: Simplify right side
    3,241.86x = 5,109,441.22
  5. Step 5: Solve for x
    x = 5,109,441.22/3,241.86
  6. Step 6: Final answer
    x = 1,576.08

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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.