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Finding the Fourth Proportional to 6,648.67, 9,973.05 and 3,175.39

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Solution

The fourth proportional to 6,648.67, 9,973.05 and 3,175.39 is: 4,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.67 : 9,973.05 = 3,175.39 : x
  2. Step 2: Convert to fraction form
    6,648.67/9,973.05 = 3,175.39/x
  3. Step 3: Cross multiply
    6,648.67x = 9,973.05 × 3,175.39
  4. Step 4: Simplify right side
    6,648.67x = 31,668,323.24
  5. Step 5: Solve for x
    x = 31,668,323.24/6,648.67
  6. Step 6: Final answer
    x = 4,763.11

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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.