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Finding the Fourth Proportional to 58,792.80, 81,134.94 and 31,935.84

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Solution

The fourth proportional to 58,792.80, 81,134.94 and 31,935.84 is: 44,071.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,792.80 : 81,134.94 = 31,935.84 : x
  2. Step 2: Convert to fraction form
    58,792.80/81,134.94 = 31,935.84/x
  3. Step 3: Cross multiply
    58,792.80x = 81,134.94 × 31,935.84
  4. Step 4: Simplify right side
    58,792.80x = 2,591,112,462.25
  5. Step 5: Solve for x
    x = 2,591,112,462.25/58,792.80
  6. Step 6: Final answer
    x = 44,071.94

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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.