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Finding the Fourth Proportional to 35,328.49, 52,992.84 and 8,674.58

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Solution

The fourth proportional to 35,328.49, 52,992.84 and 8,674.58 is: 13,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,328.49 : 52,992.84 = 8,674.58 : x
  2. Step 2: Convert to fraction form
    35,328.49/52,992.84 = 8,674.58/x
  3. Step 3: Cross multiply
    35,328.49x = 52,992.84 × 8,674.58
  4. Step 4: Simplify right side
    35,328.49x = 459,690,630.01
  5. Step 5: Solve for x
    x = 459,690,630.01/35,328.49
  6. Step 6: Final answer
    x = 13,011.90

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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.