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Finding the Fourth Proportional to 47,619.56, 65,713.56 and 26,397.56

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Solution

The fourth proportional to 47,619.56, 65,713.56 and 26,397.56 is: 36,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.56 : 65,713.56 = 26,397.56 : x
  2. Step 2: Convert to fraction form
    47,619.56/65,713.56 = 26,397.56/x
  3. Step 3: Cross multiply
    47,619.56x = 65,713.56 × 26,397.56
  4. Step 4: Simplify right side
    47,619.56x = 1,734,677,642.91
  5. Step 5: Solve for x
    x = 1,734,677,642.91/47,619.56
  6. Step 6: Final answer
    x = 36,427.84

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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.