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Finding the Fourth Proportional to 26,822.88, 40,230.54 and 7,103.16

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Solution

The fourth proportional to 26,822.88, 40,230.54 and 7,103.16 is: 10,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,822.88 : 40,230.54 = 7,103.16 : x
  2. Step 2: Convert to fraction form
    26,822.88/40,230.54 = 7,103.16/x
  3. Step 3: Cross multiply
    26,822.88x = 40,230.54 × 7,103.16
  4. Step 4: Simplify right side
    26,822.88x = 285,763,962.51
  5. Step 5: Solve for x
    x = 285,763,962.51/26,822.88
  6. Step 6: Final answer
    x = 10,653.74

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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.