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Finding the Fourth Proportional to 18,059.29, 27,090.29 and 4,911.77

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Solution

The fourth proportional to 18,059.29, 27,090.29 and 4,911.77 is: 7,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.29 : 27,090.29 = 4,911.77 : x
  2. Step 2: Convert to fraction form
    18,059.29/27,090.29 = 4,911.77/x
  3. Step 3: Cross multiply
    18,059.29x = 27,090.29 × 4,911.77
  4. Step 4: Simplify right side
    18,059.29x = 133,061,353.72
  5. Step 5: Solve for x
    x = 133,061,353.72/18,059.29
  6. Step 6: Final answer
    x = 7,368.03

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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.