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Finding the Fourth Proportional to 4,557.48, 6,790.14 and 4,493.28

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Solution

The fourth proportional to 4,557.48, 6,790.14 and 4,493.28 is: 6,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557.48 : 6,790.14 = 4,493.28 : x
  2. Step 2: Convert to fraction form
    4,557.48/6,790.14 = 4,493.28/x
  3. Step 3: Cross multiply
    4,557.48x = 6,790.14 × 4,493.28
  4. Step 4: Simplify right side
    4,557.48x = 30,510,000.26
  5. Step 5: Solve for x
    x = 30,510,000.26/4,557.48
  6. Step 6: Final answer
    x = 6,694.49

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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.