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Finding the Fourth Proportional to 58,795.79, 81,136.82 and 31,937.69

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Solution

The fourth proportional to 58,795.79, 81,136.82 and 31,937.69 is: 44,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,795.79 : 81,136.82 = 31,937.69 : x
  2. Step 2: Convert to fraction form
    58,795.79/81,136.82 = 31,937.69/x
  3. Step 3: Cross multiply
    58,795.79x = 81,136.82 × 31,937.69
  4. Step 4: Simplify right side
    58,795.79x = 2,591,322,887.43
  5. Step 5: Solve for x
    x = 2,591,322,887.43/58,795.79
  6. Step 6: Final answer
    x = 44,073.28

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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.