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Finding the Fourth Proportional to 22,362.19, 30,846.95 and 13,404.49

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Solution

The fourth proportional to 22,362.19, 30,846.95 and 13,404.49 is: 18,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.19 : 30,846.95 = 13,404.49 : x
  2. Step 2: Convert to fraction form
    22,362.19/30,846.95 = 13,404.49/x
  3. Step 3: Cross multiply
    22,362.19x = 30,846.95 × 13,404.49
  4. Step 4: Simplify right side
    22,362.19x = 413,487,576.63
  5. Step 5: Solve for x
    x = 413,487,576.63/22,362.19
  6. Step 6: Final answer
    x = 18,490.48

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Half scale
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Double scale
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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.