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Finding the Fourth Proportional to 43,577.40, 65,268.90 and 37,745.40

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Solution

The fourth proportional to 43,577.40, 65,268.90 and 37,745.40 is: 56,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.40 : 65,268.90 = 37,745.40 : x
  2. Step 2: Convert to fraction form
    43,577.40/65,268.90 = 37,745.40/x
  3. Step 3: Cross multiply
    43,577.40x = 65,268.90 × 37,745.40
  4. Step 4: Simplify right side
    43,577.40x = 2,463,600,738.06
  5. Step 5: Solve for x
    x = 2,463,600,738.06/43,577.40
  6. Step 6: Final answer
    x = 56,533.91

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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.