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Finding the Fourth Proportional to 6,627.84, 9,948.48 and 4,429.44

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Solution

The fourth proportional to 6,627.84, 9,948.48 and 4,429.44 is: 6,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.84 : 9,948.48 = 4,429.44 : x
  2. Step 2: Convert to fraction form
    6,627.84/9,948.48 = 4,429.44/x
  3. Step 3: Cross multiply
    6,627.84x = 9,948.48 × 4,429.44
  4. Step 4: Simplify right side
    6,627.84x = 44,066,195.25
  5. Step 5: Solve for x
    x = 44,066,195.25/6,627.84
  6. Step 6: Final answer
    x = 6,648.65

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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.