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Finding the Fourth Proportional to 58,560.99, 80,814.12 and 31,703.73

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Solution

The fourth proportional to 58,560.99, 80,814.12 and 31,703.73 is: 43,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,560.99 : 80,814.12 = 31,703.73 : x
  2. Step 2: Convert to fraction form
    58,560.99/80,814.12 = 31,703.73/x
  3. Step 3: Cross multiply
    58,560.99x = 80,814.12 × 31,703.73
  4. Step 4: Simplify right side
    58,560.99x = 2,562,109,040.67
  5. Step 5: Solve for x
    x = 2,562,109,040.67/58,560.99
  6. Step 6: Final answer
    x = 43,751.12

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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.