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Finding the Fourth Proportional to 66,857.97, 92,305.95 and 43,026.06

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Solution

The fourth proportional to 66,857.97, 92,305.95 and 43,026.06 is: 59,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,857.97 : 92,305.95 = 43,026.06 : x
  2. Step 2: Convert to fraction form
    66,857.97/92,305.95 = 43,026.06/x
  3. Step 3: Cross multiply
    66,857.97x = 92,305.95 × 43,026.06
  4. Step 4: Simplify right side
    66,857.97x = 3,971,561,343.06
  5. Step 5: Solve for x
    x = 3,971,561,343.06/66,857.97
  6. Step 6: Final answer
    x = 59,402.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.