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Finding the Fourth Proportional to 2,353.86, 3,530.19 and 967.58

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Solution

The fourth proportional to 2,353.86, 3,530.19 and 967.58 is: 1,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.86 : 3,530.19 = 967.58 : x
  2. Step 2: Convert to fraction form
    2,353.86/3,530.19 = 967.58/x
  3. Step 3: Cross multiply
    2,353.86x = 3,530.19 × 967.58
  4. Step 4: Simplify right side
    2,353.86x = 3,415,740.46
  5. Step 5: Solve for x
    x = 3,415,740.46/2,353.86
  6. Step 6: Final answer
    x = 1,451.12

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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.