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Finding the Fourth Proportional to 63,629.68, 87,807.60 and 35,334.88

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Solution

The fourth proportional to 63,629.68, 87,807.60 and 35,334.88 is: 48,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,629.68 : 87,807.60 = 35,334.88 : x
  2. Step 2: Convert to fraction form
    63,629.68/87,807.60 = 35,334.88/x
  3. Step 3: Cross multiply
    63,629.68x = 87,807.60 × 35,334.88
  4. Step 4: Simplify right side
    63,629.68x = 3,102,671,009.09
  5. Step 5: Solve for x
    x = 3,102,671,009.09/63,629.68
  6. Step 6: Final answer
    x = 48,761.38

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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.