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Finding the Fourth Proportional to 8,963.15, 13,447.65 and 2,723.40

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Solution

The fourth proportional to 8,963.15, 13,447.65 and 2,723.40 is: 4,085.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.15 : 13,447.65 = 2,723.40 : x
  2. Step 2: Convert to fraction form
    8,963.15/13,447.65 = 2,723.40/x
  3. Step 3: Cross multiply
    8,963.15x = 13,447.65 × 2,723.40
  4. Step 4: Simplify right side
    8,963.15x = 36,623,330.01
  5. Step 5: Solve for x
    x = 36,623,330.01/8,963.15
  6. Step 6: Final answer
    x = 4,085.99

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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.