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Finding the Fourth Proportional to 18,059.54, 27,070.84 and 6,209.76

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Solution

The fourth proportional to 18,059.54, 27,070.84 and 6,209.76 is: 9,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.54 : 27,070.84 = 6,209.76 : x
  2. Step 2: Convert to fraction form
    18,059.54/27,070.84 = 6,209.76/x
  3. Step 3: Cross multiply
    18,059.54x = 27,070.84 × 6,209.76
  4. Step 4: Simplify right side
    18,059.54x = 168,103,419.40
  5. Step 5: Solve for x
    x = 168,103,419.40/18,059.54
  6. Step 6: Final answer
    x = 9,308.29

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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.