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Finding the Fourth Proportional to 9,924.96, 14,880.96 and 3,997.92

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Solution

The fourth proportional to 9,924.96, 14,880.96 and 3,997.92 is: 5,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.96 : 14,880.96 = 3,997.92 : x
  2. Step 2: Convert to fraction form
    9,924.96/14,880.96 = 3,997.92/x
  3. Step 3: Cross multiply
    9,924.96x = 14,880.96 × 3,997.92
  4. Step 4: Simplify right side
    9,924.96x = 59,492,887.60
  5. Step 5: Solve for x
    x = 59,492,887.60/9,924.96
  6. Step 6: Final answer
    x = 5,994.27

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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.