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Finding the Fourth Proportional to 58,378.60, 80,570.82 and 33,230.44

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Solution

The fourth proportional to 58,378.60, 80,570.82 and 33,230.44 is: 45,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,378.60 : 80,570.82 = 33,230.44 : x
  2. Step 2: Convert to fraction form
    58,378.60/80,570.82 = 33,230.44/x
  3. Step 3: Cross multiply
    58,378.60x = 80,570.82 × 33,230.44
  4. Step 4: Simplify right side
    58,378.60x = 2,677,403,799.76
  5. Step 5: Solve for x
    x = 2,677,403,799.76/58,378.60
  6. Step 6: Final answer
    x = 45,862.76

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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.