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Finding the Fourth Proportional to 47,679.52, 65,798.22 and 26,458.96

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Solution

The fourth proportional to 47,679.52, 65,798.22 and 26,458.96 is: 36,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,679.52 : 65,798.22 = 26,458.96 : x
  2. Step 2: Convert to fraction form
    47,679.52/65,798.22 = 26,458.96/x
  3. Step 3: Cross multiply
    47,679.52x = 65,798.22 × 26,458.96
  4. Step 4: Simplify right side
    47,679.52x = 1,740,952,471.05
  5. Step 5: Solve for x
    x = 1,740,952,471.05/47,679.52
  6. Step 6: Final answer
    x = 36,513.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.