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Finding the Fourth Proportional to 5,074.80, 7,004.56 and 4,549.92

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Solution

The fourth proportional to 5,074.80, 7,004.56 and 4,549.92 is: 6,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.80 : 7,004.56 = 4,549.92 : x
  2. Step 2: Convert to fraction form
    5,074.80/7,004.56 = 4,549.92/x
  3. Step 3: Cross multiply
    5,074.80x = 7,004.56 × 4,549.92
  4. Step 4: Simplify right side
    5,074.80x = 31,870,187.64
  5. Step 5: Solve for x
    x = 31,870,187.64/5,074.80
  6. Step 6: Final answer
    x = 6,280.09

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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.