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Finding the Fourth Proportional to 7,245.72, 10,870.46 and 3,352.92

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Solution

The fourth proportional to 7,245.72, 10,870.46 and 3,352.92 is: 5,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.72 : 10,870.46 = 3,352.92 : x
  2. Step 2: Convert to fraction form
    7,245.72/10,870.46 = 3,352.92/x
  3. Step 3: Cross multiply
    7,245.72x = 10,870.46 × 3,352.92
  4. Step 4: Simplify right side
    7,245.72x = 36,447,782.74
  5. Step 5: Solve for x
    x = 36,447,782.74/7,245.72
  6. Step 6: Final answer
    x = 5,030.25

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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.