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Finding the Fourth Proportional to 60,415.81, 83,373.78 and 33,560.81

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Solution

The fourth proportional to 60,415.81, 83,373.78 and 33,560.81 is: 46,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,415.81 : 83,373.78 = 33,560.81 : x
  2. Step 2: Convert to fraction form
    60,415.81/83,373.78 = 33,560.81/x
  3. Step 3: Cross multiply
    60,415.81x = 83,373.78 × 33,560.81
  4. Step 4: Simplify right side
    60,415.81x = 2,798,091,985.79
  5. Step 5: Solve for x
    x = 2,798,091,985.79/60,415.81
  6. Step 6: Final answer
    x = 46,313.91

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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.