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Finding the Fourth Proportional to 4,964.76, 7,440.72 and 1,841.92

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Solution

The fourth proportional to 4,964.76, 7,440.72 and 1,841.92 is: 2,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.76 : 7,440.72 = 1,841.92 : x
  2. Step 2: Convert to fraction form
    4,964.76/7,440.72 = 1,841.92/x
  3. Step 3: Cross multiply
    4,964.76x = 7,440.72 × 1,841.92
  4. Step 4: Simplify right side
    4,964.76x = 13,705,210.98
  5. Step 5: Solve for x
    x = 13,705,210.98/4,964.76
  6. Step 6: Final answer
    x = 2,760.50

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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.