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Finding the Fourth Proportional to 15,473.44, 23,203.06 and 8,455.81

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Solution

The fourth proportional to 15,473.44, 23,203.06 and 8,455.81 is: 12,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473.44 : 23,203.06 = 8,455.81 : x
  2. Step 2: Convert to fraction form
    15,473.44/23,203.06 = 8,455.81/x
  3. Step 3: Cross multiply
    15,473.44x = 23,203.06 × 8,455.81
  4. Step 4: Simplify right side
    15,473.44x = 196,200,666.78
  5. Step 5: Solve for x
    x = 196,200,666.78/15,473.44
  6. Step 6: Final answer
    x = 12,679.84

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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.