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Finding the Fourth Proportional to 8,963.34, 13,444.83 and 2,807.34

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Solution

The fourth proportional to 8,963.34, 13,444.83 and 2,807.34 is: 4,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.34 : 13,444.83 = 2,807.34 : x
  2. Step 2: Convert to fraction form
    8,963.34/13,444.83 = 2,807.34/x
  3. Step 3: Cross multiply
    8,963.34x = 13,444.83 × 2,807.34
  4. Step 4: Simplify right side
    8,963.34x = 37,744,209.05
  5. Step 5: Solve for x
    x = 37,744,209.05/8,963.34
  6. Step 6: Final answer
    x = 4,210.95

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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.