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Finding the Fourth Proportional to 43,405.68, 65,034.28 and 23,698.12

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Solution

The fourth proportional to 43,405.68, 65,034.28 and 23,698.12 is: 35,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.68 : 65,034.28 = 23,698.12 : x
  2. Step 2: Convert to fraction form
    43,405.68/65,034.28 = 23,698.12/x
  3. Step 3: Cross multiply
    43,405.68x = 65,034.28 × 23,698.12
  4. Step 4: Simplify right side
    43,405.68x = 1,541,190,171.55
  5. Step 5: Solve for x
    x = 1,541,190,171.55/43,405.68
  6. Step 6: Final answer
    x = 35,506.65

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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.