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Finding the Fourth Proportional to 9,479.60, 14,190.23 and 6,185.60

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Solution

The fourth proportional to 9,479.60, 14,190.23 and 6,185.60 is: 9,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.60 : 14,190.23 = 6,185.60 : x
  2. Step 2: Convert to fraction form
    9,479.60/14,190.23 = 6,185.60/x
  3. Step 3: Cross multiply
    9,479.60x = 14,190.23 × 6,185.60
  4. Step 4: Simplify right side
    9,479.60x = 87,775,031.20
  5. Step 5: Solve for x
    x = 87,775,031.20/9,479.60
  6. Step 6: Final answer
    x = 9,259.37

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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.