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Finding the Fourth Proportional to 15,460.94, 21,333.92 and 9,082.74

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Solution

The fourth proportional to 15,460.94, 21,333.92 and 9,082.74 is: 12,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.94 : 21,333.92 = 9,082.74 : x
  2. Step 2: Convert to fraction form
    15,460.94/21,333.92 = 9,082.74/x
  3. Step 3: Cross multiply
    15,460.94x = 21,333.92 × 9,082.74
  4. Step 4: Simplify right side
    15,460.94x = 193,770,448.54
  5. Step 5: Solve for x
    x = 193,770,448.54/15,460.94
  6. Step 6: Final answer
    x = 12,532.90

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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.