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Finding the Fourth Proportional to 45,987.57, 68,988.02 and 16,402.77

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Solution

The fourth proportional to 45,987.57, 68,988.02 and 16,402.77 is: 24,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,987.57 : 68,988.02 = 16,402.77 : x
  2. Step 2: Convert to fraction form
    45,987.57/68,988.02 = 16,402.77/x
  3. Step 3: Cross multiply
    45,987.57x = 68,988.02 × 16,402.77
  4. Step 4: Simplify right side
    45,987.57x = 1,131,594,542.80
  5. Step 5: Solve for x
    x = 1,131,594,542.80/45,987.57
  6. Step 6: Final answer
    x = 24,606.53

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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.