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Finding the Fourth Proportional to 12,596.66, 17,383.11 and 7,291.37

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Solution

The fourth proportional to 12,596.66, 17,383.11 and 7,291.37 is: 10,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596.66 : 17,383.11 = 7,291.37 : x
  2. Step 2: Convert to fraction form
    12,596.66/17,383.11 = 7,291.37/x
  3. Step 3: Cross multiply
    12,596.66x = 17,383.11 × 7,291.37
  4. Step 4: Simplify right side
    12,596.66x = 126,746,686.76
  5. Step 5: Solve for x
    x = 126,746,686.76/12,596.66
  6. Step 6: Final answer
    x = 10,061.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.