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Finding the Fourth Proportional to 15,667.31, 23,494.04 and 7,340.61

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Solution

The fourth proportional to 15,667.31, 23,494.04 and 7,340.61 is: 11,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.31 : 23,494.04 = 7,340.61 : x
  2. Step 2: Convert to fraction form
    15,667.31/23,494.04 = 7,340.61/x
  3. Step 3: Cross multiply
    15,667.31x = 23,494.04 × 7,340.61
  4. Step 4: Simplify right side
    15,667.31x = 172,460,603.32
  5. Step 5: Solve for x
    x = 172,460,603.32/15,667.31
  6. Step 6: Final answer
    x = 11,007.67

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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.