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Finding the Fourth Proportional to 9,295.82, 12,824.19 and 5,315.48

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Solution

The fourth proportional to 9,295.82, 12,824.19 and 5,315.48 is: 7,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.82 : 12,824.19 = 5,315.48 : x
  2. Step 2: Convert to fraction form
    9,295.82/12,824.19 = 5,315.48/x
  3. Step 3: Cross multiply
    9,295.82x = 12,824.19 × 5,315.48
  4. Step 4: Simplify right side
    9,295.82x = 68,166,661.34
  5. Step 5: Solve for x
    x = 68,166,661.34/9,295.82
  6. Step 6: Final answer
    x = 7,333.05

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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.