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Finding the Fourth Proportional to 9,958.80, 14,946.30 and 9,634.80

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Solution

The fourth proportional to 9,958.80, 14,946.30 and 9,634.80 is: 14,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.80 : 14,946.30 = 9,634.80 : x
  2. Step 2: Convert to fraction form
    9,958.80/14,946.30 = 9,634.80/x
  3. Step 3: Cross multiply
    9,958.80x = 14,946.30 × 9,634.80
  4. Step 4: Simplify right side
    9,958.80x = 144,004,611.24
  5. Step 5: Solve for x
    x = 144,004,611.24/9,958.80
  6. Step 6: Final answer
    x = 14,460.04

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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.