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Finding the Fourth Proportional to 9,208.76, 13,803.89 and 2,964.18

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Solution

The fourth proportional to 9,208.76, 13,803.89 and 2,964.18 is: 4,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.76 : 13,803.89 = 2,964.18 : x
  2. Step 2: Convert to fraction form
    9,208.76/13,803.89 = 2,964.18/x
  3. Step 3: Cross multiply
    9,208.76x = 13,803.89 × 2,964.18
  4. Step 4: Simplify right side
    9,208.76x = 40,917,199.84
  5. Step 5: Solve for x
    x = 40,917,199.84/9,208.76
  6. Step 6: Final answer
    x = 4,443.29

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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.