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Finding the Fourth Proportional to 63,090.77, 87,060.12 and 34,796.45

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Solution

The fourth proportional to 63,090.77, 87,060.12 and 34,796.45 is: 48,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,090.77 : 87,060.12 = 34,796.45 : x
  2. Step 2: Convert to fraction form
    63,090.77/87,060.12 = 34,796.45/x
  3. Step 3: Cross multiply
    63,090.77x = 87,060.12 × 34,796.45
  4. Step 4: Simplify right side
    63,090.77x = 3,029,383,199.74
  5. Step 5: Solve for x
    x = 3,029,383,199.74/63,090.77
  6. Step 6: Final answer
    x = 48,016.27

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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.