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Finding the Fourth Proportional to 12,773.69, 19,160.51 and 4,009.26

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Solution

The fourth proportional to 12,773.69, 19,160.51 and 4,009.26 is: 6,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.69 : 19,160.51 = 4,009.26 : x
  2. Step 2: Convert to fraction form
    12,773.69/19,160.51 = 4,009.26/x
  3. Step 3: Cross multiply
    12,773.69x = 19,160.51 × 4,009.26
  4. Step 4: Simplify right side
    12,773.69x = 76,819,446.28
  5. Step 5: Solve for x
    x = 76,819,446.28/12,773.69
  6. Step 6: Final answer
    x = 6,013.88

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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.