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Finding the Fourth Proportional to 58,549.81, 80,809.68 and 33,399.31

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Solution

The fourth proportional to 58,549.81, 80,809.68 and 33,399.31 is: 46,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,549.81 : 80,809.68 = 33,399.31 : x
  2. Step 2: Convert to fraction form
    58,549.81/80,809.68 = 33,399.31/x
  3. Step 3: Cross multiply
    58,549.81x = 80,809.68 × 33,399.31
  4. Step 4: Simplify right side
    58,549.81x = 2,698,987,553.32
  5. Step 5: Solve for x
    x = 2,698,987,553.32/58,549.81
  6. Step 6: Final answer
    x = 46,097.29

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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.