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Finding the Fourth Proportional to 22,267.16, 30,658.74 and 18,903

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Solution

The fourth proportional to 22,267.16, 30,658.74 and 18,903 is: 26,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,267.16 : 30,658.74 = 18,903 : x
  2. Step 2: Convert to fraction form
    22,267.16/30,658.74 = 18,903/x
  3. Step 3: Cross multiply
    22,267.16x = 30,658.74 × 18,903
  4. Step 4: Simplify right side
    22,267.16x = 579,542,162.22
  5. Step 5: Solve for x
    x = 579,542,162.22/22,267.16
  6. Step 6: Final answer
    x = 26,026.77

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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.