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Finding the Fourth Proportional to 14,079.08, 21,108.67 and 7,054.09

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Solution

The fourth proportional to 14,079.08, 21,108.67 and 7,054.09 is: 10,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.08 : 21,108.67 = 7,054.09 : x
  2. Step 2: Convert to fraction form
    14,079.08/21,108.67 = 7,054.09/x
  3. Step 3: Cross multiply
    14,079.08x = 21,108.67 × 7,054.09
  4. Step 4: Simplify right side
    14,079.08x = 148,902,387.55
  5. Step 5: Solve for x
    x = 148,902,387.55/14,079.08
  6. Step 6: Final answer
    x = 10,576.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.