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Finding the Fourth Proportional to 13,000.44, 17,940.63 and 7,032.12

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Solution

The fourth proportional to 13,000.44, 17,940.63 and 7,032.12 is: 9,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.44 : 17,940.63 = 7,032.12 : x
  2. Step 2: Convert to fraction form
    13,000.44/17,940.63 = 7,032.12/x
  3. Step 3: Cross multiply
    13,000.44x = 17,940.63 × 7,032.12
  4. Step 4: Simplify right side
    13,000.44x = 126,160,663.04
  5. Step 5: Solve for x
    x = 126,160,663.04/13,000.44
  6. Step 6: Final answer
    x = 9,704.34

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Double scale
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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.