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Finding the Fourth Proportional to 75,710.56, 104,498.56 and 43,896.96

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Solution

The fourth proportional to 75,710.56, 104,498.56 and 43,896.96 is: 60,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,710.56 : 104,498.56 = 43,896.96 : x
  2. Step 2: Convert to fraction form
    75,710.56/104,498.56 = 43,896.96/x
  3. Step 3: Cross multiply
    75,710.56x = 104,498.56 × 43,896.96
  4. Step 4: Simplify right side
    75,710.56x = 4,587,169,108.38
  5. Step 5: Solve for x
    x = 4,587,169,108.38/75,710.56
  6. Step 6: Final answer
    x = 60,588.23

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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.