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Finding the Fourth Proportional to 17,008.40, 25,483.80 and 8,224.40

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Solution

The fourth proportional to 17,008.40, 25,483.80 and 8,224.40 is: 12,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.40 : 25,483.80 = 8,224.40 : x
  2. Step 2: Convert to fraction form
    17,008.40/25,483.80 = 8,224.40/x
  3. Step 3: Cross multiply
    17,008.40x = 25,483.80 × 8,224.40
  4. Step 4: Simplify right side
    17,008.40x = 209,588,964.72
  5. Step 5: Solve for x
    x = 209,588,964.72/17,008.40
  6. Step 6: Final answer
    x = 12,322.67

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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.