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Finding the Fourth Proportional to 13,030.60, 17,982.21 and 7,062.43

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Solution

The fourth proportional to 13,030.60, 17,982.21 and 7,062.43 is: 9,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.60 : 17,982.21 = 7,062.43 : x
  2. Step 2: Convert to fraction form
    13,030.60/17,982.21 = 7,062.43/x
  3. Step 3: Cross multiply
    13,030.60x = 17,982.21 × 7,062.43
  4. Step 4: Simplify right side
    13,030.60x = 126,998,099.37
  5. Step 5: Solve for x
    x = 126,998,099.37/13,030.60
  6. Step 6: Final answer
    x = 9,746.14

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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.