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Finding the Fourth Proportional to 66,042, 99,066.60 and 26,593.97

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Solution

The fourth proportional to 66,042, 99,066.60 and 26,593.97 is: 39,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,042 : 99,066.60 = 26,593.97 : x
  2. Step 2: Convert to fraction form
    66,042/99,066.60 = 26,593.97/x
  3. Step 3: Cross multiply
    66,042x = 99,066.60 × 26,593.97
  4. Step 4: Simplify right side
    66,042x = 2,634,573,693.07
  5. Step 5: Solve for x
    x = 2,634,573,693.07/66,042
  6. Step 6: Final answer
    x = 39,892.40

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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.