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Finding the Fourth Proportional to 13,001.40, 17,941.92 and 7,033.06

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Solution

The fourth proportional to 13,001.40, 17,941.92 and 7,033.06 is: 9,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.40 : 17,941.92 = 7,033.06 : x
  2. Step 2: Convert to fraction form
    13,001.40/17,941.92 = 7,033.06/x
  3. Step 3: Cross multiply
    13,001.40x = 17,941.92 × 7,033.06
  4. Step 4: Simplify right side
    13,001.40x = 126,186,599.88
  5. Step 5: Solve for x
    x = 126,186,599.88/13,001.40
  6. Step 6: Final answer
    x = 9,705.62

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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.