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Finding the Fourth Proportional to 5,811.80, 8,712.82 and 4,051.63

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Solution

The fourth proportional to 5,811.80, 8,712.82 and 4,051.63 is: 6,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.80 : 8,712.82 = 4,051.63 : x
  2. Step 2: Convert to fraction form
    5,811.80/8,712.82 = 4,051.63/x
  3. Step 3: Cross multiply
    5,811.80x = 8,712.82 × 4,051.63
  4. Step 4: Simplify right side
    5,811.80x = 35,301,122.90
  5. Step 5: Solve for x
    x = 35,301,122.90/5,811.80
  6. Step 6: Final answer
    x = 6,074.04

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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.