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Finding the Fourth Proportional to 7,216.73, 10,810.73 and 4,744.05

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Solution

The fourth proportional to 7,216.73, 10,810.73 and 4,744.05 is: 7,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.73 : 10,810.73 = 4,744.05 : x
  2. Step 2: Convert to fraction form
    7,216.73/10,810.73 = 4,744.05/x
  3. Step 3: Cross multiply
    7,216.73x = 10,810.73 × 4,744.05
  4. Step 4: Simplify right side
    7,216.73x = 51,286,675.79
  5. Step 5: Solve for x
    x = 51,286,675.79/7,216.73
  6. Step 6: Final answer
    x = 7,106.64

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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.