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Finding the Fourth Proportional to 56,267.80, 84,401.70 and 14,714.80

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Solution

The fourth proportional to 56,267.80, 84,401.70 and 14,714.80 is: 22,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,267.80 : 84,401.70 = 14,714.80 : x
  2. Step 2: Convert to fraction form
    56,267.80/84,401.70 = 14,714.80/x
  3. Step 3: Cross multiply
    56,267.80x = 84,401.70 × 14,714.80
  4. Step 4: Simplify right side
    56,267.80x = 1,241,954,135.16
  5. Step 5: Solve for x
    x = 1,241,954,135.16/56,267.80
  6. Step 6: Final answer
    x = 22,072.20

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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.