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Finding the Fourth Proportional to 7,832.70, 10,809.16 and 4,295.84

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Solution

The fourth proportional to 7,832.70, 10,809.16 and 4,295.84 is: 5,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.70 : 10,809.16 = 4,295.84 : x
  2. Step 2: Convert to fraction form
    7,832.70/10,809.16 = 4,295.84/x
  3. Step 3: Cross multiply
    7,832.70x = 10,809.16 × 4,295.84
  4. Step 4: Simplify right side
    7,832.70x = 46,434,421.89
  5. Step 5: Solve for x
    x = 46,434,421.89/7,832.70
  6. Step 6: Final answer
    x = 5,928.28

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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.