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Finding the Fourth Proportional to 26,437.44, 39,662.88 and 7,968.96

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Solution

The fourth proportional to 26,437.44, 39,662.88 and 7,968.96 is: 11,955.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,437.44 : 39,662.88 = 7,968.96 : x
  2. Step 2: Convert to fraction form
    26,437.44/39,662.88 = 7,968.96/x
  3. Step 3: Cross multiply
    26,437.44x = 39,662.88 × 7,968.96
  4. Step 4: Simplify right side
    26,437.44x = 316,071,904.20
  5. Step 5: Solve for x
    x = 316,071,904.20/26,437.44
  6. Step 6: Final answer
    x = 11,955.47

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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.