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Finding the Fourth Proportional to 58,715.44, 81,024.93 and 31,856.92

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Solution

The fourth proportional to 58,715.44, 81,024.93 and 31,856.92 is: 43,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,715.44 : 81,024.93 = 31,856.92 : x
  2. Step 2: Convert to fraction form
    58,715.44/81,024.93 = 31,856.92/x
  3. Step 3: Cross multiply
    58,715.44x = 81,024.93 × 31,856.92
  4. Step 4: Simplify right side
    58,715.44x = 2,581,204,510.45
  5. Step 5: Solve for x
    x = 2,581,204,510.45/58,715.44
  6. Step 6: Final answer
    x = 43,961.26

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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.