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Finding the Fourth Proportional to 5,979.42, 8,952.12 and 3,901.77

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Solution

The fourth proportional to 5,979.42, 8,952.12 and 3,901.77 is: 5,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.42 : 8,952.12 = 3,901.77 : x
  2. Step 2: Convert to fraction form
    5,979.42/8,952.12 = 3,901.77/x
  3. Step 3: Cross multiply
    5,979.42x = 8,952.12 × 3,901.77
  4. Step 4: Simplify right side
    5,979.42x = 34,929,113.25
  5. Step 5: Solve for x
    x = 34,929,113.25/5,979.42
  6. Step 6: Final answer
    x = 5,841.56

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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.