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Finding the Fourth Proportional to 12,967.18, 19,463.07 and 5,955.11

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Solution

The fourth proportional to 12,967.18, 19,463.07 and 5,955.11 is: 8,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.18 : 19,463.07 = 5,955.11 : x
  2. Step 2: Convert to fraction form
    12,967.18/19,463.07 = 5,955.11/x
  3. Step 3: Cross multiply
    12,967.18x = 19,463.07 × 5,955.11
  4. Step 4: Simplify right side
    12,967.18x = 115,904,722.79
  5. Step 5: Solve for x
    x = 115,904,722.79/12,967.18
  6. Step 6: Final answer
    x = 8,938.31

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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.