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Finding the Fourth Proportional to 5,073.81, 7,000.92 and 2,835.60

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Solution

The fourth proportional to 5,073.81, 7,000.92 and 2,835.60 is: 3,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073.81 : 7,000.92 = 2,835.60 : x
  2. Step 2: Convert to fraction form
    5,073.81/7,000.92 = 2,835.60/x
  3. Step 3: Cross multiply
    5,073.81x = 7,000.92 × 2,835.60
  4. Step 4: Simplify right side
    5,073.81x = 19,851,808.75
  5. Step 5: Solve for x
    x = 19,851,808.75/5,073.81
  6. Step 6: Final answer
    x = 3,912.60

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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.