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Finding the Fourth Proportional to 4,830.21, 6,672.51 and 4,473

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Solution

The fourth proportional to 4,830.21, 6,672.51 and 4,473 is: 6,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.21 : 6,672.51 = 4,473 : x
  2. Step 2: Convert to fraction form
    4,830.21/6,672.51 = 4,473/x
  3. Step 3: Cross multiply
    4,830.21x = 6,672.51 × 4,473
  4. Step 4: Simplify right side
    4,830.21x = 29,846,137.23
  5. Step 5: Solve for x
    x = 29,846,137.23/4,830.21
  6. Step 6: Final answer
    x = 6,179.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.