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Finding the Fourth Proportional to 9,896.80, 14,853.30 and 9,572.80

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Solution

The fourth proportional to 9,896.80, 14,853.30 and 9,572.80 is: 14,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.80 : 14,853.30 = 9,572.80 : x
  2. Step 2: Convert to fraction form
    9,896.80/14,853.30 = 9,572.80/x
  3. Step 3: Cross multiply
    9,896.80x = 14,853.30 × 9,572.80
  4. Step 4: Simplify right side
    9,896.80x = 142,187,670.24
  5. Step 5: Solve for x
    x = 142,187,670.24/9,896.80
  6. Step 6: Final answer
    x = 14,367.03

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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.