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Finding the Fourth Proportional to 7,305.93, 10,082.21 and 4,162.10

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Solution

The fourth proportional to 7,305.93, 10,082.21 and 4,162.10 is: 5,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.93 : 10,082.21 = 4,162.10 : x
  2. Step 2: Convert to fraction form
    7,305.93/10,082.21 = 4,162.10/x
  3. Step 3: Cross multiply
    7,305.93x = 10,082.21 × 4,162.10
  4. Step 4: Simplify right side
    7,305.93x = 41,963,095.02
  5. Step 5: Solve for x
    x = 41,963,095.02/7,305.93
  6. Step 6: Final answer
    x = 5,743.70

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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.