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Finding the Fourth Proportional to 58,666.73, 80,960.23 and 31,809.23

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Solution

The fourth proportional to 58,666.73, 80,960.23 and 31,809.23 is: 43,896.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,666.73 : 80,960.23 = 31,809.23 : x
  2. Step 2: Convert to fraction form
    58,666.73/80,960.23 = 31,809.23/x
  3. Step 3: Cross multiply
    58,666.73x = 80,960.23 × 31,809.23
  4. Step 4: Simplify right side
    58,666.73x = 2,575,282,832.65
  5. Step 5: Solve for x
    x = 2,575,282,832.65/58,666.73
  6. Step 6: Final answer
    x = 43,896.82

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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.