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Finding the Fourth Proportional to 4,842.76, 7,262.79 and 1,722.37

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Solution

The fourth proportional to 4,842.76, 7,262.79 and 1,722.37 is: 2,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.76 : 7,262.79 = 1,722.37 : x
  2. Step 2: Convert to fraction form
    4,842.76/7,262.79 = 1,722.37/x
  3. Step 3: Cross multiply
    4,842.76x = 7,262.79 × 1,722.37
  4. Step 4: Simplify right side
    4,842.76x = 12,509,211.61
  5. Step 5: Solve for x
    x = 12,509,211.61/4,842.76
  6. Step 6: Final answer
    x = 2,583.07

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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.