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Finding the Fourth Proportional to 22,029.01, 30,400.06 and 11,957.45

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Solution

The fourth proportional to 22,029.01, 30,400.06 and 11,957.45 is: 16,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.01 : 30,400.06 = 11,957.45 : x
  2. Step 2: Convert to fraction form
    22,029.01/30,400.06 = 11,957.45/x
  3. Step 3: Cross multiply
    22,029.01x = 30,400.06 × 11,957.45
  4. Step 4: Simplify right side
    22,029.01x = 363,507,197.45
  5. Step 5: Solve for x
    x = 363,507,197.45/22,029.01
  6. Step 6: Final answer
    x = 16,501.30

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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.