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Finding the Fourth Proportional to 58,713.86, 81,039.54 and 36,058.25

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Solution

The fourth proportional to 58,713.86, 81,039.54 and 36,058.25 is: 49,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,713.86 : 81,039.54 = 36,058.25 : x
  2. Step 2: Convert to fraction form
    58,713.86/81,039.54 = 36,058.25/x
  3. Step 3: Cross multiply
    58,713.86x = 81,039.54 × 36,058.25
  4. Step 4: Simplify right side
    58,713.86x = 2,922,143,993.21
  5. Step 5: Solve for x
    x = 2,922,143,993.21/58,713.86
  6. Step 6: Final answer
    x = 49,769.24

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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.