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Finding the Fourth Proportional to 5,040.53, 7,559.79 and 4,790.46

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Solution

The fourth proportional to 5,040.53, 7,559.79 and 4,790.46 is: 7,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.53 : 7,559.79 = 4,790.46 : x
  2. Step 2: Convert to fraction form
    5,040.53/7,559.79 = 4,790.46/x
  3. Step 3: Cross multiply
    5,040.53x = 7,559.79 × 4,790.46
  4. Step 4: Simplify right side
    5,040.53x = 36,214,908.93
  5. Step 5: Solve for x
    x = 36,214,908.93/5,040.53
  6. Step 6: Final answer
    x = 7,184.74

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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.