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Finding the Fourth Proportional to 5,953.95, 8,223.46 and 3,960.95

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Solution

The fourth proportional to 5,953.95, 8,223.46 and 3,960.95 is: 5,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,953.95 : 8,223.46 = 3,960.95 : x
  2. Step 2: Convert to fraction form
    5,953.95/8,223.46 = 3,960.95/x
  3. Step 3: Cross multiply
    5,953.95x = 8,223.46 × 3,960.95
  4. Step 4: Simplify right side
    5,953.95x = 32,572,662.87
  5. Step 5: Solve for x
    x = 32,572,662.87/5,953.95
  6. Step 6: Final answer
    x = 5,470.77

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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.