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Finding the Fourth Proportional to 58,076.21, 80,126.19 and 33,871.65

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Solution

The fourth proportional to 58,076.21, 80,126.19 and 33,871.65 is: 46,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,076.21 : 80,126.19 = 33,871.65 : x
  2. Step 2: Convert to fraction form
    58,076.21/80,126.19 = 33,871.65/x
  3. Step 3: Cross multiply
    58,076.21x = 80,126.19 × 33,871.65
  4. Step 4: Simplify right side
    58,076.21x = 2,714,006,263.51
  5. Step 5: Solve for x
    x = 2,714,006,263.51/58,076.21
  6. Step 6: Final answer
    x = 46,731.81

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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.