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Finding the Fourth Proportional to 45,992.61, 68,987.09 and 14,402.00

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Solution

The fourth proportional to 45,992.61, 68,987.09 and 14,402.00 is: 21,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,992.61 : 68,987.09 = 14,402.00 : x
  2. Step 2: Convert to fraction form
    45,992.61/68,987.09 = 14,402.00/x
  3. Step 3: Cross multiply
    45,992.61x = 68,987.09 × 14,402.00
  4. Step 4: Simplify right side
    45,992.61x = 993,552,278.65
  5. Step 5: Solve for x
    x = 993,552,278.65/45,992.61
  6. Step 6: Final answer
    x = 21,602.43

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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.