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Finding the Fourth Proportional to 13,552.16, 18,701.96 and 7,584.98

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Solution

The fourth proportional to 13,552.16, 18,701.96 and 7,584.98 is: 10,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.16 : 18,701.96 = 7,584.98 : x
  2. Step 2: Convert to fraction form
    13,552.16/18,701.96 = 7,584.98/x
  3. Step 3: Cross multiply
    13,552.16x = 18,701.96 × 7,584.98
  4. Step 4: Simplify right side
    13,552.16x = 141,853,992.56
  5. Step 5: Solve for x
    x = 141,853,992.56/13,552.16
  6. Step 6: Final answer
    x = 10,467.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.