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Finding the Fourth Proportional to 64,073.44, 88,451.22 and 42,866.56

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Solution

The fourth proportional to 64,073.44, 88,451.22 and 42,866.56 is: 59,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,073.44 : 88,451.22 = 42,866.56 : x
  2. Step 2: Convert to fraction form
    64,073.44/88,451.22 = 42,866.56/x
  3. Step 3: Cross multiply
    64,073.44x = 88,451.22 × 42,866.56
  4. Step 4: Simplify right side
    64,073.44x = 3,791,599,529.20
  5. Step 5: Solve for x
    x = 3,791,599,529.20/64,073.44
  6. Step 6: Final answer
    x = 59,175.84

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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.