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Finding the Fourth Proportional to 9,928.96, 14,893.80 and 4,995.92

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Solution

The fourth proportional to 9,928.96, 14,893.80 and 4,995.92 is: 7,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.96 : 14,893.80 = 4,995.92 : x
  2. Step 2: Convert to fraction form
    9,928.96/14,893.80 = 4,995.92/x
  3. Step 3: Cross multiply
    9,928.96x = 14,893.80 × 4,995.92
  4. Step 4: Simplify right side
    9,928.96x = 74,408,233.30
  5. Step 5: Solve for x
    x = 74,408,233.30/9,928.96
  6. Step 6: Final answer
    x = 7,494.06

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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.