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Finding the Fourth Proportional to 58,349.80, 80,439.78 and 41,530.60

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Solution

The fourth proportional to 58,349.80, 80,439.78 and 41,530.60 is: 57,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,349.80 : 80,439.78 = 41,530.60 : x
  2. Step 2: Convert to fraction form
    58,349.80/80,439.78 = 41,530.60/x
  3. Step 3: Cross multiply
    58,349.80x = 80,439.78 × 41,530.60
  4. Step 4: Simplify right side
    58,349.80x = 3,340,712,327.27
  5. Step 5: Solve for x
    x = 3,340,712,327.27/58,349.80
  6. Step 6: Final answer
    x = 57,253.19

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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.