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Finding the Fourth Proportional to 28,708.39, 43,063.47 and 23,749.47

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Solution

The fourth proportional to 28,708.39, 43,063.47 and 23,749.47 is: 35,624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.39 : 43,063.47 = 23,749.47 : x
  2. Step 2: Convert to fraction form
    28,708.39/43,063.47 = 23,749.47/x
  3. Step 3: Cross multiply
    28,708.39x = 43,063.47 × 23,749.47
  4. Step 4: Simplify right side
    28,708.39x = 1,022,734,588.86
  5. Step 5: Solve for x
    x = 1,022,734,588.86/28,708.39
  6. Step 6: Final answer
    x = 35,624.94

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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.