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Finding the Fourth Proportional to 7,200.84, 10,801.35 and 2,583.84

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Solution

The fourth proportional to 7,200.84, 10,801.35 and 2,583.84 is: 3,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.84 : 10,801.35 = 2,583.84 : x
  2. Step 2: Convert to fraction form
    7,200.84/10,801.35 = 2,583.84/x
  3. Step 3: Cross multiply
    7,200.84x = 10,801.35 × 2,583.84
  4. Step 4: Simplify right side
    7,200.84x = 27,908,960.18
  5. Step 5: Solve for x
    x = 27,908,960.18/7,200.84
  6. Step 6: Final answer
    x = 3,875.79

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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.