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Finding the Fourth Proportional to 17,405.09, 24,020.20 and 9,851.39

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Solution

The fourth proportional to 17,405.09, 24,020.20 and 9,851.39 is: 13,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.09 : 24,020.20 = 9,851.39 : x
  2. Step 2: Convert to fraction form
    17,405.09/24,020.20 = 9,851.39/x
  3. Step 3: Cross multiply
    17,405.09x = 24,020.20 × 9,851.39
  4. Step 4: Simplify right side
    17,405.09x = 236,632,368.07
  5. Step 5: Solve for x
    x = 236,632,368.07/17,405.09
  6. Step 6: Final answer
    x = 13,595.59

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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.