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Finding the Fourth Proportional to 26,761.60, 40,093.80 and 21,804.40

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Solution

The fourth proportional to 26,761.60, 40,093.80 and 21,804.40 is: 32,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.60 : 40,093.80 = 21,804.40 : x
  2. Step 2: Convert to fraction form
    26,761.60/40,093.80 = 21,804.40/x
  3. Step 3: Cross multiply
    26,761.60x = 40,093.80 × 21,804.40
  4. Step 4: Simplify right side
    26,761.60x = 874,221,252.72
  5. Step 5: Solve for x
    x = 874,221,252.72/26,761.60
  6. Step 6: Final answer
    x = 32,667.00

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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.