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Finding the Fourth Proportional to 26,929.81, 40,340.04 and 13,594.58

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Solution

The fourth proportional to 26,929.81, 40,340.04 and 13,594.58 is: 20,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.81 : 40,340.04 = 13,594.58 : x
  2. Step 2: Convert to fraction form
    26,929.81/40,340.04 = 13,594.58/x
  3. Step 3: Cross multiply
    26,929.81x = 40,340.04 × 13,594.58
  4. Step 4: Simplify right side
    26,929.81x = 548,405,900.98
  5. Step 5: Solve for x
    x = 548,405,900.98/26,929.81
  6. Step 6: Final answer
    x = 20,364.27

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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.