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Finding the Fourth Proportional to 13,062.60, 18,026.10 and 7,094.12

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Solution

The fourth proportional to 13,062.60, 18,026.10 and 7,094.12 is: 9,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.60 : 18,026.10 = 7,094.12 : x
  2. Step 2: Convert to fraction form
    13,062.60/18,026.10 = 7,094.12/x
  3. Step 3: Cross multiply
    13,062.60x = 18,026.10 × 7,094.12
  4. Step 4: Simplify right side
    13,062.60x = 127,879,316.53
  5. Step 5: Solve for x
    x = 127,879,316.53/13,062.60
  6. Step 6: Final answer
    x = 9,789.73

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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.