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Finding the Fourth Proportional to 58,771.56, 81,104.48 and 31,913.84

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Solution

The fourth proportional to 58,771.56, 81,104.48 and 31,913.84 is: 44,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,771.56 : 81,104.48 = 31,913.84 : x
  2. Step 2: Convert to fraction form
    58,771.56/81,104.48 = 31,913.84/x
  3. Step 3: Cross multiply
    58,771.56x = 81,104.48 × 31,913.84
  4. Step 4: Simplify right side
    58,771.56x = 2,588,355,398.00
  5. Step 5: Solve for x
    x = 2,588,355,398.00/58,771.56
  6. Step 6: Final answer
    x = 44,040.95

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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.