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Finding the Fourth Proportional to 2,900.96, 4,350.96 and 953.18

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Solution

The fourth proportional to 2,900.96, 4,350.96 and 953.18 is: 1,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.96 : 4,350.96 = 953.18 : x
  2. Step 2: Convert to fraction form
    2,900.96/4,350.96 = 953.18/x
  3. Step 3: Cross multiply
    2,900.96x = 4,350.96 × 953.18
  4. Step 4: Simplify right side
    2,900.96x = 4,147,248.05
  5. Step 5: Solve for x
    x = 4,147,248.05/2,900.96
  6. Step 6: Final answer
    x = 1,429.61

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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.