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Finding the Fourth Proportional to 26,762.78, 40,169.08 and 13,624.98

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Solution

The fourth proportional to 26,762.78, 40,169.08 and 13,624.98 is: 20,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,762.78 : 40,169.08 = 13,624.98 : x
  2. Step 2: Convert to fraction form
    26,762.78/40,169.08 = 13,624.98/x
  3. Step 3: Cross multiply
    26,762.78x = 40,169.08 × 13,624.98
  4. Step 4: Simplify right side
    26,762.78x = 547,302,911.62
  5. Step 5: Solve for x
    x = 547,302,911.62/26,762.78
  6. Step 6: Final answer
    x = 20,450.15

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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.