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Finding the Fourth Proportional to 4,646.82, 6,968.46 and 1,872.76

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Solution

The fourth proportional to 4,646.82, 6,968.46 and 1,872.76 is: 2,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,646.82 : 6,968.46 = 1,872.76 : x
  2. Step 2: Convert to fraction form
    4,646.82/6,968.46 = 1,872.76/x
  3. Step 3: Cross multiply
    4,646.82x = 6,968.46 × 1,872.76
  4. Step 4: Simplify right side
    4,646.82x = 13,050,253.15
  5. Step 5: Solve for x
    x = 13,050,253.15/4,646.82
  6. Step 6: Final answer
    x = 2,808.43

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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.