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Finding the Fourth Proportional to 4,872.76, 7,309.19 and 1,754.99

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Solution

The fourth proportional to 4,872.76, 7,309.19 and 1,754.99 is: 2,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.76 : 7,309.19 = 1,754.99 : x
  2. Step 2: Convert to fraction form
    4,872.76/7,309.19 = 1,754.99/x
  3. Step 3: Cross multiply
    4,872.76x = 7,309.19 × 1,754.99
  4. Step 4: Simplify right side
    4,872.76x = 12,827,555.36
  5. Step 5: Solve for x
    x = 12,827,555.36/4,872.76
  6. Step 6: Final answer
    x = 2,632.50

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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.