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Finding the Fourth Proportional to 5,295.95, 7,946.15 and 2,665.88

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Solution

The fourth proportional to 5,295.95, 7,946.15 and 2,665.88 is: 3,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295.95 : 7,946.15 = 2,665.88 : x
  2. Step 2: Convert to fraction form
    5,295.95/7,946.15 = 2,665.88/x
  3. Step 3: Cross multiply
    5,295.95x = 7,946.15 × 2,665.88
  4. Step 4: Simplify right side
    5,295.95x = 21,183,429.30
  5. Step 5: Solve for x
    x = 21,183,429.30/5,295.95
  6. Step 6: Final answer
    x = 3,999.93

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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.