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Finding the Fourth Proportional to 12,467.79, 17,074.53 and 12,303.77

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Solution

The fourth proportional to 12,467.79, 17,074.53 and 12,303.77 is: 16,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.79 : 17,074.53 = 12,303.77 : x
  2. Step 2: Convert to fraction form
    12,467.79/17,074.53 = 12,303.77/x
  3. Step 3: Cross multiply
    12,467.79x = 17,074.53 × 12,303.77
  4. Step 4: Simplify right side
    12,467.79x = 210,081,004.61
  5. Step 5: Solve for x
    x = 210,081,004.61/12,467.79
  6. Step 6: Final answer
    x = 16,849.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.