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Finding the Fourth Proportional to 4,755.62, 7,133.04 and 2,123.18

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Solution

The fourth proportional to 4,755.62, 7,133.04 and 2,123.18 is: 3,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.62 : 7,133.04 = 2,123.18 : x
  2. Step 2: Convert to fraction form
    4,755.62/7,133.04 = 2,123.18/x
  3. Step 3: Cross multiply
    4,755.62x = 7,133.04 × 2,123.18
  4. Step 4: Simplify right side
    4,755.62x = 15,144,727.87
  5. Step 5: Solve for x
    x = 15,144,727.87/4,755.62
  6. Step 6: Final answer
    x = 3,184.60

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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.