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Finding the Fourth Proportional to 64,101.78, 88,461.39 and 35,422.11

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Solution

The fourth proportional to 64,101.78, 88,461.39 and 35,422.11 is: 48,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,101.78 : 88,461.39 = 35,422.11 : x
  2. Step 2: Convert to fraction form
    64,101.78/88,461.39 = 35,422.11/x
  3. Step 3: Cross multiply
    64,101.78x = 88,461.39 × 35,422.11
  4. Step 4: Simplify right side
    64,101.78x = 3,133,489,087.33
  5. Step 5: Solve for x
    x = 3,133,489,087.33/64,101.78
  6. Step 6: Final answer
    x = 48,883.03

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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.