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Finding the Fourth Proportional to 27,745.56, 41,595.54 and 12,947.16

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Solution

The fourth proportional to 27,745.56, 41,595.54 and 12,947.16 is: 19,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745.56 : 41,595.54 = 12,947.16 : x
  2. Step 2: Convert to fraction form
    27,745.56/41,595.54 = 12,947.16/x
  3. Step 3: Cross multiply
    27,745.56x = 41,595.54 × 12,947.16
  4. Step 4: Simplify right side
    27,745.56x = 538,544,111.67
  5. Step 5: Solve for x
    x = 538,544,111.67/27,745.56
  6. Step 6: Final answer
    x = 19,410.10

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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.