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Finding the Fourth Proportional to 66,952.08, 100,402.56 and 21,962.88

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Solution

The fourth proportional to 66,952.08, 100,402.56 and 21,962.88 is: 32,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,952.08 : 100,402.56 = 21,962.88 : x
  2. Step 2: Convert to fraction form
    66,952.08/100,402.56 = 21,962.88/x
  3. Step 3: Cross multiply
    66,952.08x = 100,402.56 × 21,962.88
  4. Step 4: Simplify right side
    66,952.08x = 2,205,129,376.97
  5. Step 5: Solve for x
    x = 2,205,129,376.97/66,952.08
  6. Step 6: Final answer
    x = 32,935.94

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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.