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Finding the Fourth Proportional to 66,662.88, 99,973.67 and 22,279.23

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Solution

The fourth proportional to 66,662.88, 99,973.67 and 22,279.23 is: 33,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,662.88 : 99,973.67 = 22,279.23 : x
  2. Step 2: Convert to fraction form
    66,662.88/99,973.67 = 22,279.23/x
  3. Step 3: Cross multiply
    66,662.88x = 99,973.67 × 22,279.23
  4. Step 4: Simplify right side
    66,662.88x = 2,227,336,276.48
  5. Step 5: Solve for x
    x = 2,227,336,276.48/66,662.88
  6. Step 6: Final answer
    x = 33,411.94

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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.