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Finding the Fourth Proportional to 4,672.10, 7,005.45 and 1,750.70

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Solution

The fourth proportional to 4,672.10, 7,005.45 and 1,750.70 is: 2,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.10 : 7,005.45 = 1,750.70 : x
  2. Step 2: Convert to fraction form
    4,672.10/7,005.45 = 1,750.70/x
  3. Step 3: Cross multiply
    4,672.10x = 7,005.45 × 1,750.70
  4. Step 4: Simplify right side
    4,672.10x = 12,264,441.32
  5. Step 5: Solve for x
    x = 12,264,441.32/4,672.10
  6. Step 6: Final answer
    x = 2,625.04

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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.