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Finding the Fourth Proportional to 36,281.01, 54,388.66 and 12,901.98

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Solution

The fourth proportional to 36,281.01, 54,388.66 and 12,901.98 is: 19,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.01 : 54,388.66 = 12,901.98 : x
  2. Step 2: Convert to fraction form
    36,281.01/54,388.66 = 12,901.98/x
  3. Step 3: Cross multiply
    36,281.01x = 54,388.66 × 12,901.98
  4. Step 4: Simplify right side
    36,281.01x = 701,721,403.55
  5. Step 5: Solve for x
    x = 701,721,403.55/36,281.01
  6. Step 6: Final answer
    x = 19,341.29

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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.