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Finding the Fourth Proportional to 17,020.63, 23,484.99 and 9,945.68

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Solution

The fourth proportional to 17,020.63, 23,484.99 and 9,945.68 is: 13,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.63 : 23,484.99 = 9,945.68 : x
  2. Step 2: Convert to fraction form
    17,020.63/23,484.99 = 9,945.68/x
  3. Step 3: Cross multiply
    17,020.63x = 23,484.99 × 9,945.68
  4. Step 4: Simplify right side
    17,020.63x = 233,574,195.34
  5. Step 5: Solve for x
    x = 233,574,195.34/17,020.63
  6. Step 6: Final answer
    x = 13,723.01

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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.