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Finding the Fourth Proportional to 17,047.81, 23,525.95 and 9,975.60

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Solution

The fourth proportional to 17,047.81, 23,525.95 and 9,975.60 is: 13,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,047.81 : 23,525.95 = 9,975.60 : x
  2. Step 2: Convert to fraction form
    17,047.81/23,525.95 = 9,975.60/x
  3. Step 3: Cross multiply
    17,047.81x = 23,525.95 × 9,975.60
  4. Step 4: Simplify right side
    17,047.81x = 234,685,466.82
  5. Step 5: Solve for x
    x = 234,685,466.82/17,047.81
  6. Step 6: Final answer
    x = 13,766.31

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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.