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Finding the Fourth Proportional to 4,957.26, 7,430.41 and 4,372.84

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Solution

The fourth proportional to 4,957.26, 7,430.41 and 4,372.84 is: 6,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.26 : 7,430.41 = 4,372.84 : x
  2. Step 2: Convert to fraction form
    4,957.26/7,430.41 = 4,372.84/x
  3. Step 3: Cross multiply
    4,957.26x = 7,430.41 × 4,372.84
  4. Step 4: Simplify right side
    4,957.26x = 32,491,994.06
  5. Step 5: Solve for x
    x = 32,491,994.06/4,957.26
  6. Step 6: Final answer
    x = 6,554.43

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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.