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Finding the Fourth Proportional to 79,071.44, 118,603.92 and 26,476.88

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Solution

The fourth proportional to 79,071.44, 118,603.92 and 26,476.88 is: 39,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,071.44 : 118,603.92 = 26,476.88 : x
  2. Step 2: Convert to fraction form
    79,071.44/118,603.92 = 26,476.88/x
  3. Step 3: Cross multiply
    79,071.44x = 118,603.92 × 26,476.88
  4. Step 4: Simplify right side
    79,071.44x = 3,140,261,757.37
  5. Step 5: Solve for x
    x = 3,140,261,757.37/79,071.44
  6. Step 6: Final answer
    x = 39,714.24

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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.