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Finding the Fourth Proportional to 6,322.76, 9,480.54 and 1,938.92

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Solution

The fourth proportional to 6,322.76, 9,480.54 and 1,938.92 is: 2,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.76 : 9,480.54 = 1,938.92 : x
  2. Step 2: Convert to fraction form
    6,322.76/9,480.54 = 1,938.92/x
  3. Step 3: Cross multiply
    6,322.76x = 9,480.54 × 1,938.92
  4. Step 4: Simplify right side
    6,322.76x = 18,382,008.62
  5. Step 5: Solve for x
    x = 18,382,008.62/6,322.76
  6. Step 6: Final answer
    x = 2,907.28

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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.