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Finding the Fourth Proportional to 43,147.99, 59,529.95 and 25,230.31

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Solution

The fourth proportional to 43,147.99, 59,529.95 and 25,230.31 is: 34,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,147.99 : 59,529.95 = 25,230.31 : x
  2. Step 2: Convert to fraction form
    43,147.99/59,529.95 = 25,230.31/x
  3. Step 3: Cross multiply
    43,147.99x = 59,529.95 × 25,230.31
  4. Step 4: Simplify right side
    43,147.99x = 1,501,959,007.04
  5. Step 5: Solve for x
    x = 1,501,959,007.04/43,147.99
  6. Step 6: Final answer
    x = 34,809.48

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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.