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Finding the Fourth Proportional to 7,208.48, 10,800.78 and 3,304.28

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Solution

The fourth proportional to 7,208.48, 10,800.78 and 3,304.28 is: 4,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.48 : 10,800.78 = 3,304.28 : x
  2. Step 2: Convert to fraction form
    7,208.48/10,800.78 = 3,304.28/x
  3. Step 3: Cross multiply
    7,208.48x = 10,800.78 × 3,304.28
  4. Step 4: Simplify right side
    7,208.48x = 35,688,801.34
  5. Step 5: Solve for x
    x = 35,688,801.34/7,208.48
  6. Step 6: Final answer
    x = 4,950.95

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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.