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Finding the Fourth Proportional to 9,269.72, 12,808.86 and 7,295.48

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Solution

The fourth proportional to 9,269.72, 12,808.86 and 7,295.48 is: 10,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.72 : 12,808.86 = 7,295.48 : x
  2. Step 2: Convert to fraction form
    9,269.72/12,808.86 = 7,295.48/x
  3. Step 3: Cross multiply
    9,269.72x = 12,808.86 × 7,295.48
  4. Step 4: Simplify right side
    9,269.72x = 93,446,781.95
  5. Step 5: Solve for x
    x = 93,446,781.95/9,269.72
  6. Step 6: Final answer
    x = 10,080.86

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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.