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Finding the Fourth Proportional to 18,307.67, 27,505.24 and 11,746.67

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Solution

The fourth proportional to 18,307.67, 27,505.24 and 11,746.67 is: 17,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.67 : 27,505.24 = 11,746.67 : x
  2. Step 2: Convert to fraction form
    18,307.67/27,505.24 = 11,746.67/x
  3. Step 3: Cross multiply
    18,307.67x = 27,505.24 × 11,746.67
  4. Step 4: Simplify right side
    18,307.67x = 323,094,810.66
  5. Step 5: Solve for x
    x = 323,094,810.66/18,307.67
  6. Step 6: Final answer
    x = 17,648.06

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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.