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Finding the Fourth Proportional to 6,672.72, 10,005.84 and 4,203.84

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Solution

The fourth proportional to 6,672.72, 10,005.84 and 4,203.84 is: 6,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.72 : 10,005.84 = 4,203.84 : x
  2. Step 2: Convert to fraction form
    6,672.72/10,005.84 = 4,203.84/x
  3. Step 3: Cross multiply
    6,672.72x = 10,005.84 × 4,203.84
  4. Step 4: Simplify right side
    6,672.72x = 42,062,950.43
  5. Step 5: Solve for x
    x = 42,062,950.43/6,672.72
  6. Step 6: Final answer
    x = 6,303.72

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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.