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Finding the Fourth Proportional to 43,676.68, 65,518.44 and 15,602.80

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Solution

The fourth proportional to 43,676.68, 65,518.44 and 15,602.80 is: 23,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.68 : 65,518.44 = 15,602.80 : x
  2. Step 2: Convert to fraction form
    43,676.68/65,518.44 = 15,602.80/x
  3. Step 3: Cross multiply
    43,676.68x = 65,518.44 × 15,602.80
  4. Step 4: Simplify right side
    43,676.68x = 1,022,271,115.63
  5. Step 5: Solve for x
    x = 1,022,271,115.63/43,676.68
  6. Step 6: Final answer
    x = 23,405.42

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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.