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Finding the Fourth Proportional to 9,329.63, 13,994.45 and 2,755.71

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Solution

The fourth proportional to 9,329.63, 13,994.45 and 2,755.71 is: 4,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.63 : 13,994.45 = 2,755.71 : x
  2. Step 2: Convert to fraction form
    9,329.63/13,994.45 = 2,755.71/x
  3. Step 3: Cross multiply
    9,329.63x = 13,994.45 × 2,755.71
  4. Step 4: Simplify right side
    9,329.63x = 38,564,645.81
  5. Step 5: Solve for x
    x = 38,564,645.81/9,329.63
  6. Step 6: Final answer
    x = 4,133.57

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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.