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Finding the Fourth Proportional to 9,203.84, 13,803.80 and 2,628.28

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Solution

The fourth proportional to 9,203.84, 13,803.80 and 2,628.28 is: 3,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.84 : 13,803.80 = 2,628.28 : x
  2. Step 2: Convert to fraction form
    9,203.84/13,803.80 = 2,628.28/x
  3. Step 3: Cross multiply
    9,203.84x = 13,803.80 × 2,628.28
  4. Step 4: Simplify right side
    9,203.84x = 36,280,251.46
  5. Step 5: Solve for x
    x = 36,280,251.46/9,203.84
  6. Step 6: Final answer
    x = 3,941.86

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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.