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Finding the Fourth Proportional to 5,711.79, 8,554.37 and 5,554.14

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Solution

The fourth proportional to 5,711.79, 8,554.37 and 5,554.14 is: 8,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.79 : 8,554.37 = 5,554.14 : x
  2. Step 2: Convert to fraction form
    5,711.79/8,554.37 = 5,554.14/x
  3. Step 3: Cross multiply
    5,711.79x = 8,554.37 × 5,554.14
  4. Step 4: Simplify right side
    5,711.79x = 47,512,140.82
  5. Step 5: Solve for x
    x = 47,512,140.82/5,711.79
  6. Step 6: Final answer
    x = 8,318.26

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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.