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Finding the Fourth Proportional to 7,247.94, 9,994.50 and 5,476.74

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Solution

The fourth proportional to 7,247.94, 9,994.50 and 5,476.74 is: 7,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.94 : 9,994.50 = 5,476.74 : x
  2. Step 2: Convert to fraction form
    7,247.94/9,994.50 = 5,476.74/x
  3. Step 3: Cross multiply
    7,247.94x = 9,994.50 × 5,476.74
  4. Step 4: Simplify right side
    7,247.94x = 54,737,277.93
  5. Step 5: Solve for x
    x = 54,737,277.93/7,247.94
  6. Step 6: Final answer
    x = 7,552.12

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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.