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Finding the Fourth Proportional to 9,436.92, 13,006.62 and 7,074.96

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Solution

The fourth proportional to 9,436.92, 13,006.62 and 7,074.96 is: 9,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.92 : 13,006.62 = 7,074.96 : x
  2. Step 2: Convert to fraction form
    9,436.92/13,006.62 = 7,074.96/x
  3. Step 3: Cross multiply
    9,436.92x = 13,006.62 × 7,074.96
  4. Step 4: Simplify right side
    9,436.92x = 92,021,316.24
  5. Step 5: Solve for x
    x = 92,021,316.24/9,436.92
  6. Step 6: Final answer
    x = 9,751.20

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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.