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Finding the Fourth Proportional to 58,079.01, 80,173.50 and 39,241.65

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Solution

The fourth proportional to 58,079.01, 80,173.50 and 39,241.65 is: 54,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,079.01 : 80,173.50 = 39,241.65 : x
  2. Step 2: Convert to fraction form
    58,079.01/80,173.50 = 39,241.65/x
  3. Step 3: Cross multiply
    58,079.01x = 80,173.50 × 39,241.65
  4. Step 4: Simplify right side
    58,079.01x = 3,146,140,426.28
  5. Step 5: Solve for x
    x = 3,146,140,426.28/58,079.01
  6. Step 6: Final answer
    x = 54,170.01

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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.