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Finding the Fourth Proportional to 43,406.60, 65,109.90 and 23,723.60

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Solution

The fourth proportional to 43,406.60, 65,109.90 and 23,723.60 is: 35,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,406.60 : 65,109.90 = 23,723.60 : x
  2. Step 2: Convert to fraction form
    43,406.60/65,109.90 = 23,723.60/x
  3. Step 3: Cross multiply
    43,406.60x = 65,109.90 × 23,723.60
  4. Step 4: Simplify right side
    43,406.60x = 1,544,641,223.64
  5. Step 5: Solve for x
    x = 1,544,641,223.64/43,406.60
  6. Step 6: Final answer
    x = 35,585.40

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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.