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Finding the Fourth Proportional to 66,637.80, 99,923.56 and 22,249.32

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Solution

The fourth proportional to 66,637.80, 99,923.56 and 22,249.32 is: 33,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,637.80 : 99,923.56 = 22,249.32 : x
  2. Step 2: Convert to fraction form
    66,637.80/99,923.56 = 22,249.32/x
  3. Step 3: Cross multiply
    66,637.80x = 99,923.56 × 22,249.32
  4. Step 4: Simplify right side
    66,637.80x = 2,223,231,261.98
  5. Step 5: Solve for x
    x = 2,223,231,261.98/66,637.80
  6. Step 6: Final answer
    x = 33,362.92

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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.