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Finding the Fourth Proportional to 13,062.31, 18,026.04 and 7,094.08

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Solution

The fourth proportional to 13,062.31, 18,026.04 and 7,094.08 is: 9,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.31 : 18,026.04 = 7,094.08 : x
  2. Step 2: Convert to fraction form
    13,062.31/18,026.04 = 7,094.08/x
  3. Step 3: Cross multiply
    13,062.31x = 18,026.04 × 7,094.08
  4. Step 4: Simplify right side
    13,062.31x = 127,878,218.98
  5. Step 5: Solve for x
    x = 127,878,218.98/13,062.31
  6. Step 6: Final answer
    x = 9,789.86

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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.