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Finding the Fourth Proportional to 57,857.98, 86,867.26 and 29,798.06

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Solution

The fourth proportional to 57,857.98, 86,867.26 and 29,798.06 is: 44,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,857.98 : 86,867.26 = 29,798.06 : x
  2. Step 2: Convert to fraction form
    57,857.98/86,867.26 = 29,798.06/x
  3. Step 3: Cross multiply
    57,857.98x = 86,867.26 × 29,798.06
  4. Step 4: Simplify right side
    57,857.98x = 2,588,475,825.52
  5. Step 5: Solve for x
    x = 2,588,475,825.52/57,857.98
  6. Step 6: Final answer
    x = 44,738.44

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1.5x scale

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.