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Finding the Fourth Proportional to 7,358.55, 11,043.23 and 4,892.55

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Solution

The fourth proportional to 7,358.55, 11,043.23 and 4,892.55 is: 7,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.55 : 11,043.23 = 4,892.55 : x
  2. Step 2: Convert to fraction form
    7,358.55/11,043.23 = 4,892.55/x
  3. Step 3: Cross multiply
    7,358.55x = 11,043.23 × 4,892.55
  4. Step 4: Simplify right side
    7,358.55x = 54,029,530.47
  5. Step 5: Solve for x
    x = 54,029,530.47/7,358.55
  6. Step 6: Final answer
    x = 7,342.42

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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.