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Finding the Fourth Proportional to 4,839.75, 7,259.63 and 2,340.50

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Solution

The fourth proportional to 4,839.75, 7,259.63 and 2,340.50 is: 3,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.75 : 7,259.63 = 2,340.50 : x
  2. Step 2: Convert to fraction form
    4,839.75/7,259.63 = 2,340.50/x
  3. Step 3: Cross multiply
    4,839.75x = 7,259.63 × 2,340.50
  4. Step 4: Simplify right side
    4,839.75x = 16,991,116.01
  5. Step 5: Solve for x
    x = 16,991,116.01/4,839.75
  6. Step 6: Final answer
    x = 3,510.74

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Similar ratio
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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.