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Finding the Fourth Proportional to 3,730.20, 5,595.20 and 956.88

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Solution

The fourth proportional to 3,730.20, 5,595.20 and 956.88 is: 1,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.20 : 5,595.20 = 956.88 : x
  2. Step 2: Convert to fraction form
    3,730.20/5,595.20 = 956.88/x
  3. Step 3: Cross multiply
    3,730.20x = 5,595.20 × 956.88
  4. Step 4: Simplify right side
    3,730.20x = 5,353,934.98
  5. Step 5: Solve for x
    x = 5,353,934.98/3,730.20
  6. Step 6: Final answer
    x = 1,435.29

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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.