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Finding the Fourth Proportional to 4,544.72, 6,777.31 and 4,503.20

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Solution

The fourth proportional to 4,544.72, 6,777.31 and 4,503.20 is: 6,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,544.72 : 6,777.31 = 4,503.20 : x
  2. Step 2: Convert to fraction form
    4,544.72/6,777.31 = 4,503.20/x
  3. Step 3: Cross multiply
    4,544.72x = 6,777.31 × 4,503.20
  4. Step 4: Simplify right side
    4,544.72x = 30,519,582.39
  5. Step 5: Solve for x
    x = 30,519,582.39/4,544.72
  6. Step 6: Final answer
    x = 6,715.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.