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Finding the Fourth Proportional to 18,307.77, 27,409.77 and 12,048.96

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Solution

The fourth proportional to 18,307.77, 27,409.77 and 12,048.96 is: 18,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.77 : 27,409.77 = 12,048.96 : x
  2. Step 2: Convert to fraction form
    18,307.77/27,409.77 = 12,048.96/x
  3. Step 3: Cross multiply
    18,307.77x = 27,409.77 × 12,048.96
  4. Step 4: Simplify right side
    18,307.77x = 330,259,222.34
  5. Step 5: Solve for x
    x = 330,259,222.34/18,307.77
  6. Step 6: Final answer
    x = 18,039.29

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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.