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Finding the Fourth Proportional to 5,235.84, 7,836.48 and 4,659.84

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Solution

The fourth proportional to 5,235.84, 7,836.48 and 4,659.84 is: 6,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.84 : 7,836.48 = 4,659.84 : x
  2. Step 2: Convert to fraction form
    5,235.84/7,836.48 = 4,659.84/x
  3. Step 3: Cross multiply
    5,235.84x = 7,836.48 × 4,659.84
  4. Step 4: Simplify right side
    5,235.84x = 36,516,742.96
  5. Step 5: Solve for x
    x = 36,516,742.96/5,235.84
  6. Step 6: Final answer
    x = 6,974.38

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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.