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Finding the Fourth Proportional to 26,549.44, 39,782.44 and 12,506.16

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Solution

The fourth proportional to 26,549.44, 39,782.44 and 12,506.16 is: 18,739.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,549.44 : 39,782.44 = 12,506.16 : x
  2. Step 2: Convert to fraction form
    26,549.44/39,782.44 = 12,506.16/x
  3. Step 3: Cross multiply
    26,549.44x = 39,782.44 × 12,506.16
  4. Step 4: Simplify right side
    26,549.44x = 497,525,559.83
  5. Step 5: Solve for x
    x = 497,525,559.83/26,549.44
  6. Step 6: Final answer
    x = 18,739.59

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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.