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Finding the Fourth Proportional to 5,477.28, 7,562.28 and 4,216.11

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Solution

The fourth proportional to 5,477.28, 7,562.28 and 4,216.11 is: 5,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.28 : 7,562.28 = 4,216.11 : x
  2. Step 2: Convert to fraction form
    5,477.28/7,562.28 = 4,216.11/x
  3. Step 3: Cross multiply
    5,477.28x = 7,562.28 × 4,216.11
  4. Step 4: Simplify right side
    5,477.28x = 31,883,404.33
  5. Step 5: Solve for x
    x = 31,883,404.33/5,477.28
  6. Step 6: Final answer
    x = 5,821.03

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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.