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Finding the Fourth Proportional to 58,753.65, 81,076.75 and 34,231.92

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Solution

The fourth proportional to 58,753.65, 81,076.75 and 34,231.92 is: 47,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,753.65 : 81,076.75 = 34,231.92 : x
  2. Step 2: Convert to fraction form
    58,753.65/81,076.75 = 34,231.92/x
  3. Step 3: Cross multiply
    58,753.65x = 81,076.75 × 34,231.92
  4. Step 4: Simplify right side
    58,753.65x = 2,775,412,430.24
  5. Step 5: Solve for x
    x = 2,775,412,430.24/58,753.65
  6. Step 6: Final answer
    x = 47,238.12

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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.