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Finding the Fourth Proportional to 13,023.29, 17,973.11 and 7,358.69

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Solution

The fourth proportional to 13,023.29, 17,973.11 and 7,358.69 is: 10,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.29 : 17,973.11 = 7,358.69 : x
  2. Step 2: Convert to fraction form
    13,023.29/17,973.11 = 7,358.69/x
  3. Step 3: Cross multiply
    13,023.29x = 17,973.11 × 7,358.69
  4. Step 4: Simplify right side
    13,023.29x = 132,258,508.03
  5. Step 5: Solve for x
    x = 132,258,508.03/13,023.29
  6. Step 6: Final answer
    x = 10,155.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.