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Finding the Fourth Proportional to 7,299.80, 10,935.75 and 4,827.32

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Solution

The fourth proportional to 7,299.80, 10,935.75 and 4,827.32 is: 7,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.80 : 10,935.75 = 4,827.32 : x
  2. Step 2: Convert to fraction form
    7,299.80/10,935.75 = 4,827.32/x
  3. Step 3: Cross multiply
    7,299.80x = 10,935.75 × 4,827.32
  4. Step 4: Simplify right side
    7,299.80x = 52,790,364.69
  5. Step 5: Solve for x
    x = 52,790,364.69/7,299.80
  6. Step 6: Final answer
    x = 7,231.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.