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Finding the Fourth Proportional to 58,981.77, 81,448.93 and 37,478.60

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Solution

The fourth proportional to 58,981.77, 81,448.93 and 37,478.60 is: 51,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,981.77 : 81,448.93 = 37,478.60 : x
  2. Step 2: Convert to fraction form
    58,981.77/81,448.93 = 37,478.60/x
  3. Step 3: Cross multiply
    58,981.77x = 81,448.93 × 37,478.60
  4. Step 4: Simplify right side
    58,981.77x = 3,052,591,867.90
  5. Step 5: Solve for x
    x = 3,052,591,867.90/58,981.77
  6. Step 6: Final answer
    x = 51,754.84

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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.