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Finding the Fourth Proportional to 57,443.76, 79,260.63 and 33,565.81

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Solution

The fourth proportional to 57,443.76, 79,260.63 and 33,565.81 is: 46,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,443.76 : 79,260.63 = 33,565.81 : x
  2. Step 2: Convert to fraction form
    57,443.76/79,260.63 = 33,565.81/x
  3. Step 3: Cross multiply
    57,443.76x = 79,260.63 × 33,565.81
  4. Step 4: Simplify right side
    57,443.76x = 2,660,447,247.06
  5. Step 5: Solve for x
    x = 2,660,447,247.06/57,443.76
  6. Step 6: Final answer
    x = 46,313.95

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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.