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Finding the Fourth Proportional to 7,283.44, 10,925.22 and 3,390.64

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Solution

The fourth proportional to 7,283.44, 10,925.22 and 3,390.64 is: 5,085.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.44 : 10,925.22 = 3,390.64 : x
  2. Step 2: Convert to fraction form
    7,283.44/10,925.22 = 3,390.64/x
  3. Step 3: Cross multiply
    7,283.44x = 10,925.22 × 3,390.64
  4. Step 4: Simplify right side
    7,283.44x = 37,043,487.94
  5. Step 5: Solve for x
    x = 37,043,487.94/7,283.44
  6. Step 6: Final answer
    x = 5,085.99

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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.