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Finding the Fourth Proportional to 17,259.16, 25,889.05 and 5,412.67

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Solution

The fourth proportional to 17,259.16, 25,889.05 and 5,412.67 is: 8,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,259.16 : 25,889.05 = 5,412.67 : x
  2. Step 2: Convert to fraction form
    17,259.16/25,889.05 = 5,412.67/x
  3. Step 3: Cross multiply
    17,259.16x = 25,889.05 × 5,412.67
  4. Step 4: Simplify right side
    17,259.16x = 140,128,754.82
  5. Step 5: Solve for x
    x = 140,128,754.82/17,259.16
  6. Step 6: Final answer
    x = 8,119.10

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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.