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Finding the Fourth Proportional to 66,703.40, 100,005.18 and 22,304.36

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Solution

The fourth proportional to 66,703.40, 100,005.18 and 22,304.36 is: 33,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703.40 : 100,005.18 = 22,304.36 : x
  2. Step 2: Convert to fraction form
    66,703.40/100,005.18 = 22,304.36/x
  3. Step 3: Cross multiply
    66,703.40x = 100,005.18 × 22,304.36
  4. Step 4: Simplify right side
    66,703.40x = 2,230,551,536.58
  5. Step 5: Solve for x
    x = 2,230,551,536.58/66,703.40
  6. Step 6: Final answer
    x = 33,439.85

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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.