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Finding the Fourth Proportional to 6,633.68, 9,948.90 and 4,455.59

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Solution

The fourth proportional to 6,633.68, 9,948.90 and 4,455.59 is: 6,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.68 : 9,948.90 = 4,455.59 : x
  2. Step 2: Convert to fraction form
    6,633.68/9,948.90 = 4,455.59/x
  3. Step 3: Cross multiply
    6,633.68x = 9,948.90 × 4,455.59
  4. Step 4: Simplify right side
    6,633.68x = 44,328,219.35
  5. Step 5: Solve for x
    x = 44,328,219.35/6,633.68
  6. Step 6: Final answer
    x = 6,682.30

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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.