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Finding the Fourth Proportional to 5,073.30, 7,000.65 and 2,835.09

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Solution

The fourth proportional to 5,073.30, 7,000.65 and 2,835.09 is: 3,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073.30 : 7,000.65 = 2,835.09 : x
  2. Step 2: Convert to fraction form
    5,073.30/7,000.65 = 2,835.09/x
  3. Step 3: Cross multiply
    5,073.30x = 7,000.65 × 2,835.09
  4. Step 4: Simplify right side
    5,073.30x = 19,847,472.81
  5. Step 5: Solve for x
    x = 19,847,472.81/5,073.30
  6. Step 6: Final answer
    x = 3,912.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.