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Finding the Fourth Proportional to 9,600.56, 14,387.88 and 4,986.80

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Solution

The fourth proportional to 9,600.56, 14,387.88 and 4,986.80 is: 7,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,600.56 : 14,387.88 = 4,986.80 : x
  2. Step 2: Convert to fraction form
    9,600.56/14,387.88 = 4,986.80/x
  3. Step 3: Cross multiply
    9,600.56x = 14,387.88 × 4,986.80
  4. Step 4: Simplify right side
    9,600.56x = 71,749,479.98
  5. Step 5: Solve for x
    x = 71,749,479.98/9,600.56
  6. Step 6: Final answer
    x = 7,473.47

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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.