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Finding the Fourth Proportional to 69,047.64, 95,283 and 40,762.44

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Solution

The fourth proportional to 69,047.64, 95,283 and 40,762.44 is: 56,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,047.64 : 95,283 = 40,762.44 : x
  2. Step 2: Convert to fraction form
    69,047.64/95,283 = 40,762.44/x
  3. Step 3: Cross multiply
    69,047.64x = 95,283 × 40,762.44
  4. Step 4: Simplify right side
    69,047.64x = 3,883,967,570.52
  5. Step 5: Solve for x
    x = 3,883,967,570.52/69,047.64
  6. Step 6: Final answer
    x = 56,250.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.