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Finding the Fourth Proportional to 2,900.60, 4,349.53 and 1,050.42

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Solution

The fourth proportional to 2,900.60, 4,349.53 and 1,050.42 is: 1,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.60 : 4,349.53 = 1,050.42 : x
  2. Step 2: Convert to fraction form
    2,900.60/4,349.53 = 1,050.42/x
  3. Step 3: Cross multiply
    2,900.60x = 4,349.53 × 1,050.42
  4. Step 4: Simplify right side
    2,900.60x = 4,568,833.30
  5. Step 5: Solve for x
    x = 4,568,833.30/2,900.60
  6. Step 6: Final answer
    x = 1,575.13

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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.