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Finding the Fourth Proportional to 13,062.42, 18,026.17 and 7,094.19

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Solution

The fourth proportional to 13,062.42, 18,026.17 and 7,094.19 is: 9,789.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.42 : 18,026.17 = 7,094.19 : x
  2. Step 2: Convert to fraction form
    13,062.42/18,026.17 = 7,094.19/x
  3. Step 3: Cross multiply
    13,062.42x = 18,026.17 × 7,094.19
  4. Step 4: Simplify right side
    13,062.42x = 127,880,967.09
  5. Step 5: Solve for x
    x = 127,880,967.09/13,062.42
  6. Step 6: Final answer
    x = 9,789.99

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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.