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Finding the Fourth Proportional to 66,753.96, 91,629.66 and 59,031.06

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Solution

The fourth proportional to 66,753.96, 91,629.66 and 59,031.06 is: 81,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753.96 : 91,629.66 = 59,031.06 : x
  2. Step 2: Convert to fraction form
    66,753.96/91,629.66 = 59,031.06/x
  3. Step 3: Cross multiply
    66,753.96x = 91,629.66 × 59,031.06
  4. Step 4: Simplify right side
    66,753.96x = 5,408,995,957.24
  5. Step 5: Solve for x
    x = 5,408,995,957.24/66,753.96
  6. Step 6: Final answer
    x = 81,028.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.