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Finding the Fourth Proportional to 59,954.94, 89,987.64 and 30,393.45

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Solution

The fourth proportional to 59,954.94, 89,987.64 and 30,393.45 is: 45,618.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,954.94 : 89,987.64 = 30,393.45 : x
  2. Step 2: Convert to fraction form
    59,954.94/89,987.64 = 30,393.45/x
  3. Step 3: Cross multiply
    59,954.94x = 89,987.64 × 30,393.45
  4. Step 4: Simplify right side
    59,954.94x = 2,735,034,836.96
  5. Step 5: Solve for x
    x = 2,735,034,836.96/59,954.94
  6. Step 6: Final answer
    x = 45,618.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.