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Finding the Fourth Proportional to 58,947.99, 81,324.18 and 36,280.14

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Solution

The fourth proportional to 58,947.99, 81,324.18 and 36,280.14 is: 50,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,947.99 : 81,324.18 = 36,280.14 : x
  2. Step 2: Convert to fraction form
    58,947.99/81,324.18 = 36,280.14/x
  3. Step 3: Cross multiply
    58,947.99x = 81,324.18 × 36,280.14
  4. Step 4: Simplify right side
    58,947.99x = 2,950,452,635.79
  5. Step 5: Solve for x
    x = 2,950,452,635.79/58,947.99
  6. Step 6: Final answer
    x = 50,051.79

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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.