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Finding the Fourth Proportional to 11,258.67, 16,888.01 and 2,938.67

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Solution

The fourth proportional to 11,258.67, 16,888.01 and 2,938.67 is: 4,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.67 : 16,888.01 = 2,938.67 : x
  2. Step 2: Convert to fraction form
    11,258.67/16,888.01 = 2,938.67/x
  3. Step 3: Cross multiply
    11,258.67x = 16,888.01 × 2,938.67
  4. Step 4: Simplify right side
    11,258.67x = 49,628,189.21
  5. Step 5: Solve for x
    x = 49,628,189.21/11,258.67
  6. Step 6: Final answer
    x = 4,408.00

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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.