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Finding the Fourth Proportional to 29,992.62, 45,018.06 and 14,421.18

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Solution

The fourth proportional to 29,992.62, 45,018.06 and 14,421.18 is: 21,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,992.62 : 45,018.06 = 14,421.18 : x
  2. Step 2: Convert to fraction form
    29,992.62/45,018.06 = 14,421.18/x
  3. Step 3: Cross multiply
    29,992.62x = 45,018.06 × 14,421.18
  4. Step 4: Simplify right side
    29,992.62x = 649,213,546.51
  5. Step 5: Solve for x
    x = 649,213,546.51/29,992.62
  6. Step 6: Final answer
    x = 21,645.78

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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.