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Finding the Fourth Proportional to 4,769.76, 7,152.33 and 1,482.87

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Solution

The fourth proportional to 4,769.76, 7,152.33 and 1,482.87 is: 2,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.76 : 7,152.33 = 1,482.87 : x
  2. Step 2: Convert to fraction form
    4,769.76/7,152.33 = 1,482.87/x
  3. Step 3: Cross multiply
    4,769.76x = 7,152.33 × 1,482.87
  4. Step 4: Simplify right side
    4,769.76x = 10,605,975.59
  5. Step 5: Solve for x
    x = 10,605,975.59/4,769.76
  6. Step 6: Final answer
    x = 2,223.59

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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.