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Finding the Fourth Proportional to 43,612.63, 65,447.60 and 23,905.13

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Solution

The fourth proportional to 43,612.63, 65,447.60 and 23,905.13 is: 35,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,612.63 : 65,447.60 = 23,905.13 : x
  2. Step 2: Convert to fraction form
    43,612.63/65,447.60 = 23,905.13/x
  3. Step 3: Cross multiply
    43,612.63x = 65,447.60 × 23,905.13
  4. Step 4: Simplify right side
    43,612.63x = 1,564,532,939.42
  5. Step 5: Solve for x
    x = 1,564,532,939.42/43,612.63
  6. Step 6: Final answer
    x = 35,873.39

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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.