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Finding the Fourth Proportional to 48,807.70, 73,134.98 and 29,075.47

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Solution

The fourth proportional to 48,807.70, 73,134.98 and 29,075.47 is: 43,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,807.70 : 73,134.98 = 29,075.47 : x
  2. Step 2: Convert to fraction form
    48,807.70/73,134.98 = 29,075.47/x
  3. Step 3: Cross multiply
    48,807.70x = 73,134.98 × 29,075.47
  4. Step 4: Simplify right side
    48,807.70x = 2,126,433,771.56
  5. Step 5: Solve for x
    x = 2,126,433,771.56/48,807.70
  6. Step 6: Final answer
    x = 43,567.59

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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.