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Finding the Fourth Proportional to 58,293.60, 80,434.80 and 33,141.60

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Solution

The fourth proportional to 58,293.60, 80,434.80 and 33,141.60 is: 45,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,293.60 : 80,434.80 = 33,141.60 : x
  2. Step 2: Convert to fraction form
    58,293.60/80,434.80 = 33,141.60/x
  3. Step 3: Cross multiply
    58,293.60x = 80,434.80 × 33,141.60
  4. Step 4: Simplify right side
    58,293.60x = 2,665,737,967.68
  5. Step 5: Solve for x
    x = 2,665,737,967.68/58,293.60
  6. Step 6: Final answer
    x = 45,729.51

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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.