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Finding the Fourth Proportional to 9,928.71, 14,893.07 and 3,003.21

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Solution

The fourth proportional to 9,928.71, 14,893.07 and 3,003.21 is: 4,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.71 : 14,893.07 = 3,003.21 : x
  2. Step 2: Convert to fraction form
    9,928.71/14,893.07 = 3,003.21/x
  3. Step 3: Cross multiply
    9,928.71x = 14,893.07 × 3,003.21
  4. Step 4: Simplify right side
    9,928.71x = 44,727,001.74
  5. Step 5: Solve for x
    x = 44,727,001.74/9,928.71
  6. Step 6: Final answer
    x = 4,504.82

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Similar ratio
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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.