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Finding the Fourth Proportional to 5,477.76, 8,216.64 and 5,002.56

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Solution

The fourth proportional to 5,477.76, 8,216.64 and 5,002.56 is: 7,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.76 : 8,216.64 = 5,002.56 : x
  2. Step 2: Convert to fraction form
    5,477.76/8,216.64 = 5,002.56/x
  3. Step 3: Cross multiply
    5,477.76x = 8,216.64 × 5,002.56
  4. Step 4: Simplify right side
    5,477.76x = 41,104,234.60
  5. Step 5: Solve for x
    x = 41,104,234.60/5,477.76
  6. Step 6: Final answer
    x = 7,503.84

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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.