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Finding the Fourth Proportional to 19,866.51, 29,799.77 and 9,446.67

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Solution

The fourth proportional to 19,866.51, 29,799.77 and 9,446.67 is: 14,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.51 : 29,799.77 = 9,446.67 : x
  2. Step 2: Convert to fraction form
    19,866.51/29,799.77 = 9,446.67/x
  3. Step 3: Cross multiply
    19,866.51x = 29,799.77 × 9,446.67
  4. Step 4: Simplify right side
    19,866.51x = 281,508,546.03
  5. Step 5: Solve for x
    x = 281,508,546.03/19,866.51
  6. Step 6: Final answer
    x = 14,170.01

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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.