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Finding the Fourth Proportional to 14,241.12, 19,652.88 and 7,953.60

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Solution

The fourth proportional to 14,241.12, 19,652.88 and 7,953.60 is: 10,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.12 : 19,652.88 = 7,953.60 : x
  2. Step 2: Convert to fraction form
    14,241.12/19,652.88 = 7,953.60/x
  3. Step 3: Cross multiply
    14,241.12x = 19,652.88 × 7,953.60
  4. Step 4: Simplify right side
    14,241.12x = 156,311,146.37
  5. Step 5: Solve for x
    x = 156,311,146.37/14,241.12
  6. Step 6: Final answer
    x = 10,976.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.