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Finding the Fourth Proportional to 47,393.56, 65,400.06 and 26,171.56

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Solution

The fourth proportional to 47,393.56, 65,400.06 and 26,171.56 is: 36,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,393.56 : 65,400.06 = 26,171.56 : x
  2. Step 2: Convert to fraction form
    47,393.56/65,400.06 = 26,171.56/x
  3. Step 3: Cross multiply
    47,393.56x = 65,400.06 × 26,171.56
  4. Step 4: Simplify right side
    47,393.56x = 1,711,621,594.29
  5. Step 5: Solve for x
    x = 1,711,621,594.29/47,393.56
  6. Step 6: Final answer
    x = 36,115.07

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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.