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Finding the Fourth Proportional to 9,944.88, 14,894.64 and 4,754.40

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Solution

The fourth proportional to 9,944.88, 14,894.64 and 4,754.40 is: 7,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,944.88 : 14,894.64 = 4,754.40 : x
  2. Step 2: Convert to fraction form
    9,944.88/14,894.64 = 4,754.40/x
  3. Step 3: Cross multiply
    9,944.88x = 14,894.64 × 4,754.40
  4. Step 4: Simplify right side
    9,944.88x = 70,815,076.42
  5. Step 5: Solve for x
    x = 70,815,076.42/9,944.88
  6. Step 6: Final answer
    x = 7,120.76

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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.