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Finding the Fourth Proportional to 7,235.73, 9,984.99 and 4,049.32

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Solution

The fourth proportional to 7,235.73, 9,984.99 and 4,049.32 is: 5,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.73 : 9,984.99 = 4,049.32 : x
  2. Step 2: Convert to fraction form
    7,235.73/9,984.99 = 4,049.32/x
  3. Step 3: Cross multiply
    7,235.73x = 9,984.99 × 4,049.32
  4. Step 4: Simplify right side
    7,235.73x = 40,432,419.71
  5. Step 5: Solve for x
    x = 40,432,419.71/7,235.73
  6. Step 6: Final answer
    x = 5,587.88

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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.