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Finding the Fourth Proportional to 17,331.48, 23,918.68 and 9,778.48

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Solution

The fourth proportional to 17,331.48, 23,918.68 and 9,778.48 is: 13,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331.48 : 23,918.68 = 9,778.48 : x
  2. Step 2: Convert to fraction form
    17,331.48/23,918.68 = 9,778.48/x
  3. Step 3: Cross multiply
    17,331.48x = 23,918.68 × 9,778.48
  4. Step 4: Simplify right side
    17,331.48x = 233,888,334.01
  5. Step 5: Solve for x
    x = 233,888,334.01/17,331.48
  6. Step 6: Final answer
    x = 13,495.00

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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.