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Finding the Fourth Proportional to 29,331.48, 43,987.92 and 9,605.48

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Solution

The fourth proportional to 29,331.48, 43,987.92 and 9,605.48 is: 14,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.48 : 43,987.92 = 9,605.48 : x
  2. Step 2: Convert to fraction form
    29,331.48/43,987.92 = 9,605.48/x
  3. Step 3: Cross multiply
    29,331.48x = 43,987.92 × 9,605.48
  4. Step 4: Simplify right side
    29,331.48x = 422,525,085.80
  5. Step 5: Solve for x
    x = 422,525,085.80/29,331.48
  6. Step 6: Final answer
    x = 14,405.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.