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Finding the Fourth Proportional to 26,648.56, 36,807.72 and 19,964.08

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Solution

The fourth proportional to 26,648.56, 36,807.72 and 19,964.08 is: 27,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.56 : 36,807.72 = 19,964.08 : x
  2. Step 2: Convert to fraction form
    26,648.56/36,807.72 = 19,964.08/x
  3. Step 3: Cross multiply
    26,648.56x = 36,807.72 × 19,964.08
  4. Step 4: Simplify right side
    26,648.56x = 734,832,266.70
  5. Step 5: Solve for x
    x = 734,832,266.70/26,648.56
  6. Step 6: Final answer
    x = 27,574.93

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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.