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Finding the Fourth Proportional to 4,767.80, 7,152 and 1,483.04

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Solution

The fourth proportional to 4,767.80, 7,152 and 1,483.04 is: 2,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.80 : 7,152 = 1,483.04 : x
  2. Step 2: Convert to fraction form
    4,767.80/7,152 = 1,483.04/x
  3. Step 3: Cross multiply
    4,767.80x = 7,152 × 1,483.04
  4. Step 4: Simplify right side
    4,767.80x = 10,606,702.08
  5. Step 5: Solve for x
    x = 10,606,702.08/4,767.80
  6. Step 6: Final answer
    x = 2,224.65

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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.