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Finding the Fourth Proportional to 23,379.59, 32,263.79 and 12,769.22

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Solution

The fourth proportional to 23,379.59, 32,263.79 and 12,769.22 is: 17,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,379.59 : 32,263.79 = 12,769.22 : x
  2. Step 2: Convert to fraction form
    23,379.59/32,263.79 = 12,769.22/x
  3. Step 3: Cross multiply
    23,379.59x = 32,263.79 × 12,769.22
  4. Step 4: Simplify right side
    23,379.59x = 411,983,207.38
  5. Step 5: Solve for x
    x = 411,983,207.38/23,379.59
  6. Step 6: Final answer
    x = 17,621.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.