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Finding the Fourth Proportional to 13,001.61, 17,942.23 and 7,033.26

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Solution

The fourth proportional to 13,001.61, 17,942.23 and 7,033.26 is: 9,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.61 : 17,942.23 = 7,033.26 : x
  2. Step 2: Convert to fraction form
    13,001.61/17,942.23 = 7,033.26/x
  3. Step 3: Cross multiply
    13,001.61x = 17,942.23 × 7,033.26
  4. Step 4: Simplify right side
    13,001.61x = 126,192,368.57
  5. Step 5: Solve for x
    x = 126,192,368.57/13,001.61
  6. Step 6: Final answer
    x = 9,705.90

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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.