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Finding the Fourth Proportional to 27,555.94, 41,320.94 and 19,245.34

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Solution

The fourth proportional to 27,555.94, 41,320.94 and 19,245.34 is: 28,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.94 : 41,320.94 = 19,245.34 : x
  2. Step 2: Convert to fraction form
    27,555.94/41,320.94 = 19,245.34/x
  3. Step 3: Cross multiply
    27,555.94x = 41,320.94 × 19,245.34
  4. Step 4: Simplify right side
    27,555.94x = 795,235,332.81
  5. Step 5: Solve for x
    x = 795,235,332.81/27,555.94
  6. Step 6: Final answer
    x = 28,858.95

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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.