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Finding the Fourth Proportional to 5,358.42, 7,393.14 and 4,472.82

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Solution

The fourth proportional to 5,358.42, 7,393.14 and 4,472.82 is: 6,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.42 : 7,393.14 = 4,472.82 : x
  2. Step 2: Convert to fraction form
    5,358.42/7,393.14 = 4,472.82/x
  3. Step 3: Cross multiply
    5,358.42x = 7,393.14 × 4,472.82
  4. Step 4: Simplify right side
    5,358.42x = 33,068,184.45
  5. Step 5: Solve for x
    x = 33,068,184.45/5,358.42
  6. Step 6: Final answer
    x = 6,171.26

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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.