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Finding the Fourth Proportional to 26,521.16, 39,777.42 and 8,053.16

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Solution

The fourth proportional to 26,521.16, 39,777.42 and 8,053.16 is: 12,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.16 : 39,777.42 = 8,053.16 : x
  2. Step 2: Convert to fraction form
    26,521.16/39,777.42 = 8,053.16/x
  3. Step 3: Cross multiply
    26,521.16x = 39,777.42 × 8,053.16
  4. Step 4: Simplify right side
    26,521.16x = 320,333,927.65
  5. Step 5: Solve for x
    x = 320,333,927.65/26,521.16
  6. Step 6: Final answer
    x = 12,078.43

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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.