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Finding the Fourth Proportional to 66,702.08, 100,066.62 and 27,262.38

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Solution

The fourth proportional to 66,702.08, 100,066.62 and 27,262.38 is: 40,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,702.08 : 100,066.62 = 27,262.38 : x
  2. Step 2: Convert to fraction form
    66,702.08/100,066.62 = 27,262.38/x
  3. Step 3: Cross multiply
    66,702.08x = 100,066.62 × 27,262.38
  4. Step 4: Simplify right side
    66,702.08x = 2,728,054,219.76
  5. Step 5: Solve for x
    x = 2,728,054,219.76/66,702.08
  6. Step 6: Final answer
    x = 40,899.09

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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.