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Finding the Fourth Proportional to 7,954.52, 10,976.94 and 4,417.72

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Solution

The fourth proportional to 7,954.52, 10,976.94 and 4,417.72 is: 6,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.52 : 10,976.94 = 4,417.72 : x
  2. Step 2: Convert to fraction form
    7,954.52/10,976.94 = 4,417.72/x
  3. Step 3: Cross multiply
    7,954.52x = 10,976.94 × 4,417.72
  4. Step 4: Simplify right side
    7,954.52x = 48,493,047.38
  5. Step 5: Solve for x
    x = 48,493,047.38/7,954.52
  6. Step 6: Final answer
    x = 6,096.29

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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.