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Finding the Fourth Proportional to 58,533.99, 80,776.59 and 31,676.49

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Solution

The fourth proportional to 58,533.99, 80,776.59 and 31,676.49 is: 43,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,533.99 : 80,776.59 = 31,676.49 : x
  2. Step 2: Convert to fraction form
    58,533.99/80,776.59 = 31,676.49/x
  3. Step 3: Cross multiply
    58,533.99x = 80,776.59 × 31,676.49
  4. Step 4: Simplify right side
    58,533.99x = 2,558,718,845.37
  5. Step 5: Solve for x
    x = 2,558,718,845.37/58,533.99
  6. Step 6: Final answer
    x = 43,713.39

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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.