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Finding the Fourth Proportional to 36,374.88, 54,567.75 and 12,995.82

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Solution

The fourth proportional to 36,374.88, 54,567.75 and 12,995.82 is: 19,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,374.88 : 54,567.75 = 12,995.82 : x
  2. Step 2: Convert to fraction form
    36,374.88/54,567.75 = 12,995.82/x
  3. Step 3: Cross multiply
    36,374.88x = 54,567.75 × 12,995.82
  4. Step 4: Simplify right side
    36,374.88x = 709,152,656.81
  5. Step 5: Solve for x
    x = 709,152,656.81/36,374.88
  6. Step 6: Final answer
    x = 19,495.67

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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.