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Finding the Fourth Proportional to 26,646.06, 39,969.06 and 7,926.02

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Solution

The fourth proportional to 26,646.06, 39,969.06 and 7,926.02 is: 11,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,646.06 : 39,969.06 = 7,926.02 : x
  2. Step 2: Convert to fraction form
    26,646.06/39,969.06 = 7,926.02/x
  3. Step 3: Cross multiply
    26,646.06x = 39,969.06 × 7,926.02
  4. Step 4: Simplify right side
    26,646.06x = 316,795,568.94
  5. Step 5: Solve for x
    x = 316,795,568.94/26,646.06
  6. Step 6: Final answer
    x = 11,889.02

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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.