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Finding the Fourth Proportional to 69,420.48, 95,800.12 and 37,589.47

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Solution

The fourth proportional to 69,420.48, 95,800.12 and 37,589.47 is: 51,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,420.48 : 95,800.12 = 37,589.47 : x
  2. Step 2: Convert to fraction form
    69,420.48/95,800.12 = 37,589.47/x
  3. Step 3: Cross multiply
    69,420.48x = 95,800.12 × 37,589.47
  4. Step 4: Simplify right side
    69,420.48x = 3,601,075,403.26
  5. Step 5: Solve for x
    x = 3,601,075,403.26/69,420.48
  6. Step 6: Final answer
    x = 51,873.39

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1.5x scale

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.