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Finding the Fourth Proportional to 17,313.96, 25,967.28 and 6,221.28

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Solution

The fourth proportional to 17,313.96, 25,967.28 and 6,221.28 is: 9,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,313.96 : 25,967.28 = 6,221.28 : x
  2. Step 2: Convert to fraction form
    17,313.96/25,967.28 = 6,221.28/x
  3. Step 3: Cross multiply
    17,313.96x = 25,967.28 × 6,221.28
  4. Step 4: Simplify right side
    17,313.96x = 161,549,719.72
  5. Step 5: Solve for x
    x = 161,549,719.72/17,313.96
  6. Step 6: Final answer
    x = 9,330.60

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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.